Home / 20,636,750.73-28,479,353.45-11,345,030.79

Finding the Fourth Proportional to 20,636,750.73, 28,479,353.45 and 11,345,030.79

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Solution

The fourth proportional to 20,636,750.73, 28,479,353.45 and 11,345,030.79 is: 15,656,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636,750.73 : 28,479,353.45 = 11,345,030.79 : x
  2. Step 2: Convert to fraction form
    20,636,750.73/28,479,353.45 = 11,345,030.79/x
  3. Step 3: Cross multiply
    20,636,750.73x = 28,479,353.45 × 11,345,030.79
  4. Step 4: Simplify right side
    20,636,750.73x = 323,099,141,712,817.56
  5. Step 5: Solve for x
    x = 323,099,141,712,817.56/20,636,750.73
  6. Step 6: Final answer
    x = 15,656,492.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.