Home / 12,292,337.70-18,438,506.55-5,915,045.70

Finding the Fourth Proportional to 12,292,337.70, 18,438,506.55 and 5,915,045.70

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Solution

The fourth proportional to 12,292,337.70, 18,438,506.55 and 5,915,045.70 is: 8,872,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,337.70 : 18,438,506.55 = 5,915,045.70 : x
  2. Step 2: Convert to fraction form
    12,292,337.70/18,438,506.55 = 5,915,045.70/x
  3. Step 3: Cross multiply
    12,292,337.70x = 18,438,506.55 × 5,915,045.70
  4. Step 4: Simplify right side
    12,292,337.70x = 109,064,608,882,999.34
  5. Step 5: Solve for x
    x = 109,064,608,882,999.34/12,292,337.70
  6. Step 6: Final answer
    x = 8,872,568.55

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1.5x scale

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.