Home / 15,501,666.60-23,252,499.90-12,138,748.20

Finding the Fourth Proportional to 15,501,666.60, 23,252,499.90 and 12,138,748.20

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Solution

The fourth proportional to 15,501,666.60, 23,252,499.90 and 12,138,748.20 is: 18,208,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,666.60 : 23,252,499.90 = 12,138,748.20 : x
  2. Step 2: Convert to fraction form
    15,501,666.60/23,252,499.90 = 12,138,748.20/x
  3. Step 3: Cross multiply
    15,501,666.60x = 23,252,499.90 × 12,138,748.20
  4. Step 4: Simplify right side
    15,501,666.60x = 282,256,241,306,625.12
  5. Step 5: Solve for x
    x = 282,256,241,306,625.12/15,501,666.60
  6. Step 6: Final answer
    x = 18,208,122.30

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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.