Home / 28,333,909.70-42,500,864.55-16,996,501.70

Finding the Fourth Proportional to 28,333,909.70, 42,500,864.55 and 16,996,501.70

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Solution

The fourth proportional to 28,333,909.70, 42,500,864.55 and 16,996,501.70 is: 25,494,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,909.70 : 42,500,864.55 = 16,996,501.70 : x
  2. Step 2: Convert to fraction form
    28,333,909.70/42,500,864.55 = 16,996,501.70/x
  3. Step 3: Cross multiply
    28,333,909.70x = 42,500,864.55 × 16,996,501.70
  4. Step 4: Simplify right side
    28,333,909.70x = 722,366,016,575,544.62
  5. Step 5: Solve for x
    x = 722,366,016,575,544.62/28,333,909.70
  6. Step 6: Final answer
    x = 25,494,752.55

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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.