Home / 13,972,432.80-20,957,448.64-8,506,108.96

Finding the Fourth Proportional to 13,972,432.80, 20,957,448.64 and 8,506,108.96

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Solution

The fourth proportional to 13,972,432.80, 20,957,448.64 and 8,506,108.96 is: 12,758,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,432.80 : 20,957,448.64 = 8,506,108.96 : x
  2. Step 2: Convert to fraction form
    13,972,432.80/20,957,448.64 = 8,506,108.96/x
  3. Step 3: Cross multiply
    13,972,432.80x = 20,957,448.64 × 8,506,108.96
  4. Step 4: Simplify right side
    13,972,432.80x = 178,266,341,655,443.84
  5. Step 5: Solve for x
    x = 178,266,341,655,443.84/13,972,432.80
  6. Step 6: Final answer
    x = 12,758,432.57

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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.