Home / 10,020,457.24-15,033,397.74-7,145,456.20

Finding the Fourth Proportional to 10,020,457.24, 15,033,397.74 and 7,145,456.20

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Solution

The fourth proportional to 10,020,457.24, 15,033,397.74 and 7,145,456.20 is: 10,720,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,457.24 : 15,033,397.74 = 7,145,456.20 : x
  2. Step 2: Convert to fraction form
    10,020,457.24/15,033,397.74 = 7,145,456.20/x
  3. Step 3: Cross multiply
    10,020,457.24x = 15,033,397.74 × 7,145,456.20
  4. Step 4: Simplify right side
    10,020,457.24x = 107,420,485,088,349
  5. Step 5: Solve for x
    x = 107,420,485,088,349/10,020,457.24
  6. Step 6: Final answer
    x = 10,720,118.11

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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.