Home / 19,681,529.76-29,520,301.23-5,306,050.71

Finding the Fourth Proportional to 19,681,529.76, 29,520,301.23 and 5,306,050.71

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Solution

The fourth proportional to 19,681,529.76, 29,520,301.23 and 5,306,050.71 is: 7,958,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,529.76 : 29,520,301.23 = 5,306,050.71 : x
  2. Step 2: Convert to fraction form
    19,681,529.76/29,520,301.23 = 5,306,050.71/x
  3. Step 3: Cross multiply
    19,681,529.76x = 29,520,301.23 × 5,306,050.71
  4. Step 4: Simplify right side
    19,681,529.76x = 156,636,215,300,855.38
  5. Step 5: Solve for x
    x = 156,636,215,300,855.38/19,681,529.76
  6. Step 6: Final answer
    x = 7,958,538.65

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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.