Home / 36,708,731.70-55,061,347.95-12,445,278.90

Finding the Fourth Proportional to 36,708,731.70, 55,061,347.95 and 12,445,278.90

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Solution

The fourth proportional to 36,708,731.70, 55,061,347.95 and 12,445,278.90 is: 18,667,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708,731.70 : 55,061,347.95 = 12,445,278.90 : x
  2. Step 2: Convert to fraction form
    36,708,731.70/55,061,347.95 = 12,445,278.90/x
  3. Step 3: Cross multiply
    36,708,731.70x = 55,061,347.95 × 12,445,278.90
  4. Step 4: Simplify right side
    36,708,731.70x = 685,253,831,847,693.38
  5. Step 5: Solve for x
    x = 685,253,831,847,693.38/36,708,731.70
  6. Step 6: Final answer
    x = 18,667,325.19

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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.