Home / 13,720,837.16-20,583,493.76-5,631,641.75

Finding the Fourth Proportional to 13,720,837.16, 20,583,493.76 and 5,631,641.75

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Solution

The fourth proportional to 13,720,837.16, 20,583,493.76 and 5,631,641.75 is: 8,448,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,837.16 : 20,583,493.76 = 5,631,641.75 : x
  2. Step 2: Convert to fraction form
    13,720,837.16/20,583,493.76 = 5,631,641.75/x
  3. Step 3: Cross multiply
    13,720,837.16x = 20,583,493.76 × 5,631,641.75
  4. Step 4: Simplify right side
    13,720,837.16x = 115,918,862,730,842.11
  5. Step 5: Solve for x
    x = 115,918,862,730,842.11/13,720,837.16
  6. Step 6: Final answer
    x = 8,448,381.20

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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.