Home / 7,127,999.70-10,691,999.55-5,784,306.90

Finding the Fourth Proportional to 7,127,999.70, 10,691,999.55 and 5,784,306.90

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Solution

The fourth proportional to 7,127,999.70, 10,691,999.55 and 5,784,306.90 is: 8,676,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,999.70 : 10,691,999.55 = 5,784,306.90 : x
  2. Step 2: Convert to fraction form
    7,127,999.70/10,691,999.55 = 5,784,306.90/x
  3. Step 3: Cross multiply
    7,127,999.70x = 10,691,999.55 × 5,784,306.90
  4. Step 4: Simplify right side
    7,127,999.70x = 61,845,806,771,861.91
  5. Step 5: Solve for x
    x = 61,845,806,771,861.91/7,127,999.70
  6. Step 6: Final answer
    x = 8,676,460.35

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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.