Home / 18,732,864.78-28,103,308.02-5,603,313.86

Finding the Fourth Proportional to 18,732,864.78, 28,103,308.02 and 5,603,313.86

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Solution

The fourth proportional to 18,732,864.78, 28,103,308.02 and 5,603,313.86 is: 8,406,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,864.78 : 28,103,308.02 = 5,603,313.86 : x
  2. Step 2: Convert to fraction form
    18,732,864.78/28,103,308.02 = 5,603,313.86/x
  3. Step 3: Cross multiply
    18,732,864.78x = 28,103,308.02 × 5,603,313.86
  4. Step 4: Simplify right side
    18,732,864.78x = 157,471,655,340,315.16
  5. Step 5: Solve for x
    x = 157,471,655,340,315.16/18,732,864.78
  6. Step 6: Final answer
    x = 8,406,170.50

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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.