Home / 38,146,069.32-52,641,849.51-20,742,289.83

Finding the Fourth Proportional to 38,146,069.32, 52,641,849.51 and 20,742,289.83

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Solution

The fourth proportional to 38,146,069.32, 52,641,849.51 and 20,742,289.83 is: 28,624,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146,069.32 : 52,641,849.51 = 20,742,289.83 : x
  2. Step 2: Convert to fraction form
    38,146,069.32/52,641,849.51 = 20,742,289.83/x
  3. Step 3: Cross multiply
    38,146,069.32x = 52,641,849.51 × 20,742,289.83
  4. Step 4: Simplify right side
    38,146,069.32x = 1,091,912,499,723,663.38
  5. Step 5: Solve for x
    x = 1,091,912,499,723,663.38/38,146,069.32
  6. Step 6: Final answer
    x = 28,624,508.87

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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.