Home / 7,777,368.40-11,650,306.20-4,407,638.80

Finding the Fourth Proportional to 7,777,368.40, 11,650,306.20 and 4,407,638.80

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Solution

The fourth proportional to 7,777,368.40, 11,650,306.20 and 4,407,638.80 is: 6,602,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,368.40 : 11,650,306.20 = 4,407,638.80 : x
  2. Step 2: Convert to fraction form
    7,777,368.40/11,650,306.20 = 4,407,638.80/x
  3. Step 3: Cross multiply
    7,777,368.40x = 11,650,306.20 × 4,407,638.80
  4. Step 4: Simplify right side
    7,777,368.40x = 51,350,341,639,000.55
  5. Step 5: Solve for x
    x = 51,350,341,639,000.55/7,777,368.40
  6. Step 6: Final answer
    x = 6,602,534.30

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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.