Home / 19,681,530.76-29,520,302.73-5,306,051.71

Finding the Fourth Proportional to 19,681,530.76, 29,520,302.73 and 5,306,051.71

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Solution

The fourth proportional to 19,681,530.76, 29,520,302.73 and 5,306,051.71 is: 7,958,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,530.76 : 29,520,302.73 = 5,306,051.71 : x
  2. Step 2: Convert to fraction form
    19,681,530.76/29,520,302.73 = 5,306,051.71/x
  3. Step 3: Cross multiply
    19,681,530.76x = 29,520,302.73 × 5,306,051.71
  4. Step 4: Simplify right side
    19,681,530.76x = 156,636,252,780,234.16
  5. Step 5: Solve for x
    x = 156,636,252,780,234.16/19,681,530.76
  6. Step 6: Final answer
    x = 7,958,540.15

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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.