Home / 10,140,407.13-15,200,375.54-6,356,547.21

Finding the Fourth Proportional to 10,140,407.13, 15,200,375.54 and 6,356,547.21

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Solution

The fourth proportional to 10,140,407.13, 15,200,375.54 and 6,356,547.21 is: 9,528,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140,407.13 : 15,200,375.54 = 6,356,547.21 : x
  2. Step 2: Convert to fraction form
    10,140,407.13/15,200,375.54 = 6,356,547.21/x
  3. Step 3: Cross multiply
    10,140,407.13x = 15,200,375.54 × 6,356,547.21
  4. Step 4: Simplify right side
    10,140,407.13x = 96,621,904,697,956.50
  5. Step 5: Solve for x
    x = 96,621,904,697,956.50/10,140,407.13
  6. Step 6: Final answer
    x = 9,528,404.87

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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.