Home / 21,873,307.65-32,802,363.45-12,172,724.16

Finding the Fourth Proportional to 21,873,307.65, 32,802,363.45 and 12,172,724.16

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Solution

The fourth proportional to 21,873,307.65, 32,802,363.45 and 12,172,724.16 is: 18,254,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,307.65 : 32,802,363.45 = 12,172,724.16 : x
  2. Step 2: Convert to fraction form
    21,873,307.65/32,802,363.45 = 12,172,724.16/x
  3. Step 3: Cross multiply
    21,873,307.65x = 32,802,363.45 × 12,172,724.16
  4. Step 4: Simplify right side
    21,873,307.65x = 399,294,122,072,915.94
  5. Step 5: Solve for x
    x = 399,294,122,072,915.94/21,873,307.65
  6. Step 6: Final answer
    x = 18,254,857.86

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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.