Home / 14,012,353.80-21,018,530.70-11,178,001.80

Finding the Fourth Proportional to 14,012,353.80, 21,018,530.70 and 11,178,001.80

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Solution

The fourth proportional to 14,012,353.80, 21,018,530.70 and 11,178,001.80 is: 16,767,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,353.80 : 21,018,530.70 = 11,178,001.80 : x
  2. Step 2: Convert to fraction form
    14,012,353.80/21,018,530.70 = 11,178,001.80/x
  3. Step 3: Cross multiply
    14,012,353.80x = 21,018,530.70 × 11,178,001.80
  4. Step 4: Simplify right side
    14,012,353.80x = 234,945,173,997,955.28
  5. Step 5: Solve for x
    x = 234,945,173,997,955.28/14,012,353.80
  6. Step 6: Final answer
    x = 16,767,002.70

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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.