Home / 18,724,519.90-28,044,789.45-18,724,519.90

Finding the Fourth Proportional to 18,724,519.90, 28,044,789.45 and 18,724,519.90

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Solution

The fourth proportional to 18,724,519.90, 28,044,789.45 and 18,724,519.90 is: 28,044,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,519.90 : 28,044,789.45 = 18,724,519.90 : x
  2. Step 2: Convert to fraction form
    18,724,519.90/28,044,789.45 = 18,724,519.90/x
  3. Step 3: Cross multiply
    18,724,519.90x = 28,044,789.45 × 18,724,519.90
  4. Step 4: Simplify right side
    18,724,519.90x = 525,125,218,147,835
  5. Step 5: Solve for x
    x = 525,125,218,147,835/18,724,519.90
  6. Step 6: Final answer
    x = 28,044,789.45

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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.