Home / 18,742,238.90-28,113,358.35-11,177,746.10

Finding the Fourth Proportional to 18,742,238.90, 28,113,358.35 and 11,177,746.10

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Solution

The fourth proportional to 18,742,238.90, 28,113,358.35 and 11,177,746.10 is: 16,766,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742,238.90 : 28,113,358.35 = 11,177,746.10 : x
  2. Step 2: Convert to fraction form
    18,742,238.90/28,113,358.35 = 11,177,746.10/x
  3. Step 3: Cross multiply
    18,742,238.90x = 28,113,358.35 × 11,177,746.10
  4. Step 4: Simplify right side
    18,742,238.90x = 314,243,981,654,614.94
  5. Step 5: Solve for x
    x = 314,243,981,654,614.94/18,742,238.90
  6. Step 6: Final answer
    x = 16,766,619.15

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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.