Home / 18,452,117.40-27,678,176.10-9,842,773.20

Finding the Fourth Proportional to 18,452,117.40, 27,678,176.10 and 9,842,773.20

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Solution

The fourth proportional to 18,452,117.40, 27,678,176.10 and 9,842,773.20 is: 14,764,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,117.40 : 27,678,176.10 = 9,842,773.20 : x
  2. Step 2: Convert to fraction form
    18,452,117.40/27,678,176.10 = 9,842,773.20/x
  3. Step 3: Cross multiply
    18,452,117.40x = 27,678,176.10 × 9,842,773.20
  4. Step 4: Simplify right side
    18,452,117.40x = 272,430,009,941,960.50
  5. Step 5: Solve for x
    x = 272,430,009,941,960.50/18,452,117.40
  6. Step 6: Final answer
    x = 14,764,159.80

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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.