Home / 15,869,723.28-21,607,234.08-15,819,334.80

Finding the Fourth Proportional to 15,869,723.28, 21,607,234.08 and 15,819,334.80

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Solution

The fourth proportional to 15,869,723.28, 21,607,234.08 and 15,819,334.80 is: 21,538,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869,723.28 : 21,607,234.08 = 15,819,334.80 : x
  2. Step 2: Convert to fraction form
    15,869,723.28/21,607,234.08 = 15,819,334.80/x
  3. Step 3: Cross multiply
    15,869,723.28x = 21,607,234.08 × 15,819,334.80
  4. Step 4: Simplify right side
    15,869,723.28x = 341,812,070,013,490
  5. Step 5: Solve for x
    x = 341,812,070,013,490/15,869,723.28
  6. Step 6: Final answer
    x = 21,538,628.24

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.