Home / 28,369,043.28-42,559,543.08-9,198,305.40

Finding the Fourth Proportional to 28,369,043.28, 42,559,543.08 and 9,198,305.40

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Solution

The fourth proportional to 28,369,043.28, 42,559,543.08 and 9,198,305.40 is: 13,799,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369,043.28 : 42,559,543.08 = 9,198,305.40 : x
  2. Step 2: Convert to fraction form
    28,369,043.28/42,559,543.08 = 9,198,305.40/x
  3. Step 3: Cross multiply
    28,369,043.28x = 42,559,543.08 × 9,198,305.40
  4. Step 4: Simplify right side
    28,369,043.28x = 391,475,674,934,296.62
  5. Step 5: Solve for x
    x = 391,475,674,934,296.62/28,369,043.28
  6. Step 6: Final answer
    x = 13,799,396.44

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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.