Home / 8,808,175.20-13,212,262.80-7,688,431.20

Finding the Fourth Proportional to 8,808,175.20, 13,212,262.80 and 7,688,431.20

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Solution

The fourth proportional to 8,808,175.20, 13,212,262.80 and 7,688,431.20 is: 11,532,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,175.20 : 13,212,262.80 = 7,688,431.20 : x
  2. Step 2: Convert to fraction form
    8,808,175.20/13,212,262.80 = 7,688,431.20/x
  3. Step 3: Cross multiply
    8,808,175.20x = 13,212,262.80 × 7,688,431.20
  4. Step 4: Simplify right side
    8,808,175.20x = 101,581,573,534,119.38
  5. Step 5: Solve for x
    x = 101,581,573,534,119.38/8,808,175.20
  6. Step 6: Final answer
    x = 11,532,646.80

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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.