Home / 21,506,211.60-32,259,317.40-8,040,253.20

Finding the Fourth Proportional to 21,506,211.60, 32,259,317.40 and 8,040,253.20

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Solution

The fourth proportional to 21,506,211.60, 32,259,317.40 and 8,040,253.20 is: 12,060,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,211.60 : 32,259,317.40 = 8,040,253.20 : x
  2. Step 2: Convert to fraction form
    21,506,211.60/32,259,317.40 = 8,040,253.20/x
  3. Step 3: Cross multiply
    21,506,211.60x = 32,259,317.40 × 8,040,253.20
  4. Step 4: Simplify right side
    21,506,211.60x = 259,373,079,955,165.69
  5. Step 5: Solve for x
    x = 259,373,079,955,165.69/21,506,211.60
  6. Step 6: Final answer
    x = 12,060,379.80

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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.