Home / 13,908,048.30-20,862,072.45-9,656,520.30

Finding the Fourth Proportional to 13,908,048.30, 20,862,072.45 and 9,656,520.30

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Solution

The fourth proportional to 13,908,048.30, 20,862,072.45 and 9,656,520.30 is: 14,484,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,048.30 : 20,862,072.45 = 9,656,520.30 : x
  2. Step 2: Convert to fraction form
    13,908,048.30/20,862,072.45 = 9,656,520.30/x
  3. Step 3: Cross multiply
    13,908,048.30x = 20,862,072.45 × 9,656,520.30
  4. Step 4: Simplify right side
    13,908,048.30x = 201,455,026,113,495.75
  5. Step 5: Solve for x
    x = 201,455,026,113,495.75/13,908,048.30
  6. Step 6: Final answer
    x = 14,484,780.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.