Home / 26,615,427.40-39,936,965.10-12,432,003.40

Finding the Fourth Proportional to 26,615,427.40, 39,936,965.10 and 12,432,003.40

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Solution

The fourth proportional to 26,615,427.40, 39,936,965.10 and 12,432,003.40 is: 18,654,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615,427.40 : 39,936,965.10 = 12,432,003.40 : x
  2. Step 2: Convert to fraction form
    26,615,427.40/39,936,965.10 = 12,432,003.40/x
  3. Step 3: Cross multiply
    26,615,427.40x = 39,936,965.10 × 12,432,003.40
  4. Step 4: Simplify right side
    26,615,427.40x = 496,496,485,908,881.38
  5. Step 5: Solve for x
    x = 496,496,485,908,881.38/26,615,427.40
  6. Step 6: Final answer
    x = 18,654,462.26

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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.