Home / 13,888,931.10-20,833,396.65-8,514,159.90

Finding the Fourth Proportional to 13,888,931.10, 20,833,396.65 and 8,514,159.90

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Solution

The fourth proportional to 13,888,931.10, 20,833,396.65 and 8,514,159.90 is: 12,771,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,931.10 : 20,833,396.65 = 8,514,159.90 : x
  2. Step 2: Convert to fraction form
    13,888,931.10/20,833,396.65 = 8,514,159.90/x
  3. Step 3: Cross multiply
    13,888,931.10x = 20,833,396.65 × 8,514,159.90
  4. Step 4: Simplify right side
    13,888,931.10x = 177,378,870,338,224.34
  5. Step 5: Solve for x
    x = 177,378,870,338,224.34/13,888,931.10
  6. Step 6: Final answer
    x = 12,771,239.85

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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.