Home / 16,802,938.20-25,148,420.10-15,459,245.40

Finding the Fourth Proportional to 16,802,938.20, 25,148,420.10 and 15,459,245.40

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Solution

The fourth proportional to 16,802,938.20, 25,148,420.10 and 15,459,245.40 is: 23,137,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802,938.20 : 25,148,420.10 = 15,459,245.40 : x
  2. Step 2: Convert to fraction form
    16,802,938.20/25,148,420.10 = 15,459,245.40/x
  3. Step 3: Cross multiply
    16,802,938.20x = 25,148,420.10 × 15,459,245.40
  4. Step 4: Simplify right side
    16,802,938.20x = 388,775,597,748,192.56
  5. Step 5: Solve for x
    x = 388,775,597,748,192.56/16,802,938.20
  6. Step 6: Final answer
    x = 23,137,358.07

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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.