Home / 13,048,000.80-19,572,001.20-4,071,386.40

Finding the Fourth Proportional to 13,048,000.80, 19,572,001.20 and 4,071,386.40

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Solution

The fourth proportional to 13,048,000.80, 19,572,001.20 and 4,071,386.40 is: 6,107,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,000.80 : 19,572,001.20 = 4,071,386.40 : x
  2. Step 2: Convert to fraction form
    13,048,000.80/19,572,001.20 = 4,071,386.40/x
  3. Step 3: Cross multiply
    13,048,000.80x = 19,572,001.20 × 4,071,386.40
  4. Step 4: Simplify right side
    13,048,000.80x = 79,685,179,506,463.67
  5. Step 5: Solve for x
    x = 79,685,179,506,463.67/13,048,000.80
  6. Step 6: Final answer
    x = 6,107,079.60

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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.