Home / 14,652,487.55-20,221,675.04-8,128,218.89

Finding the Fourth Proportional to 14,652,487.55, 20,221,675.04 and 8,128,218.89

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Solution

The fourth proportional to 14,652,487.55, 20,221,675.04 and 8,128,218.89 is: 11,217,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,487.55 : 20,221,675.04 = 8,128,218.89 : x
  2. Step 2: Convert to fraction form
    14,652,487.55/20,221,675.04 = 8,128,218.89/x
  3. Step 3: Cross multiply
    14,652,487.55x = 20,221,675.04 × 8,128,218.89
  4. Step 4: Simplify right side
    14,652,487.55x = 164,366,201,047,569.50
  5. Step 5: Solve for x
    x = 164,366,201,047,569.50/14,652,487.55
  6. Step 6: Final answer
    x = 11,217,631.17

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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.