Home / 21,731,516.40-32,585,464.80-8,953,312.80

Finding the Fourth Proportional to 21,731,516.40, 32,585,464.80 and 8,953,312.80

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Solution

The fourth proportional to 21,731,516.40, 32,585,464.80 and 8,953,312.80 is: 13,425,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,516.40 : 32,585,464.80 = 8,953,312.80 : x
  2. Step 2: Convert to fraction form
    21,731,516.40/32,585,464.80 = 8,953,312.80/x
  3. Step 3: Cross multiply
    21,731,516.40x = 32,585,464.80 × 8,953,312.80
  4. Step 4: Simplify right side
    21,731,516.40x = 291,747,859,087,789.50
  5. Step 5: Solve for x
    x = 291,747,859,087,789.50/21,731,516.40
  6. Step 6: Final answer
    x = 13,425,103.60

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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.