Home / 18,724,428.70-28,086,643.05-16,559,590.30

Finding the Fourth Proportional to 18,724,428.70, 28,086,643.05 and 16,559,590.30

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Solution

The fourth proportional to 18,724,428.70, 28,086,643.05 and 16,559,590.30 is: 24,839,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,428.70 : 28,086,643.05 = 16,559,590.30 : x
  2. Step 2: Convert to fraction form
    18,724,428.70/28,086,643.05 = 16,559,590.30/x
  3. Step 3: Cross multiply
    18,724,428.70x = 28,086,643.05 × 16,559,590.30
  4. Step 4: Simplify right side
    18,724,428.70x = 465,103,301,810,342.44
  5. Step 5: Solve for x
    x = 465,103,301,810,342.44/18,724,428.70
  6. Step 6: Final answer
    x = 24,839,385.45

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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.