Home / 7,123,432.80-10,693,443.60-4,609,538.40

Finding the Fourth Proportional to 7,123,432.80, 10,693,443.60 and 4,609,538.40

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Solution

The fourth proportional to 7,123,432.80, 10,693,443.60 and 4,609,538.40 is: 6,919,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,432.80 : 10,693,443.60 = 4,609,538.40 : x
  2. Step 2: Convert to fraction form
    7,123,432.80/10,693,443.60 = 4,609,538.40/x
  3. Step 3: Cross multiply
    7,123,432.80x = 10,693,443.60 × 4,609,538.40
  4. Step 4: Simplify right side
    7,123,432.80x = 49,291,838,902,434.24
  5. Step 5: Solve for x
    x = 49,291,838,902,434.24/7,123,432.80
  6. Step 6: Final answer
    x = 6,919,674.87

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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.