Home / 21,857,407.20-32,759,866.80-9,071,330.40

Finding the Fourth Proportional to 21,857,407.20, 32,759,866.80 and 9,071,330.40

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Solution

The fourth proportional to 21,857,407.20, 32,759,866.80 and 9,071,330.40 is: 13,596,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,407.20 : 32,759,866.80 = 9,071,330.40 : x
  2. Step 2: Convert to fraction form
    21,857,407.20/32,759,866.80 = 9,071,330.40/x
  3. Step 3: Cross multiply
    21,857,407.20x = 32,759,866.80 × 9,071,330.40
  4. Step 4: Simplify right side
    21,857,407.20x = 297,175,575,602,790.75
  5. Step 5: Solve for x
    x = 297,175,575,602,790.75/21,857,407.20
  6. Step 6: Final answer
    x = 13,596,103.73

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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.