Home / 21,592,761.60-32,368,406.40-12,485,510.40

Finding the Fourth Proportional to 21,592,761.60, 32,368,406.40 and 12,485,510.40

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Solution

The fourth proportional to 21,592,761.60, 32,368,406.40 and 12,485,510.40 is: 18,716,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592,761.60 : 32,368,406.40 = 12,485,510.40 : x
  2. Step 2: Convert to fraction form
    21,592,761.60/32,368,406.40 = 12,485,510.40/x
  3. Step 3: Cross multiply
    21,592,761.60x = 32,368,406.40 × 12,485,510.40
  4. Step 4: Simplify right side
    21,592,761.60x = 404,136,074,738,626.56
  5. Step 5: Solve for x
    x = 404,136,074,738,626.56/21,592,761.60
  6. Step 6: Final answer
    x = 18,716,275.49

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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.