Home / 13,432,873.70-20,149,310.55-7,386,256.10

Finding the Fourth Proportional to 13,432,873.70, 20,149,310.55 and 7,386,256.10

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Solution

The fourth proportional to 13,432,873.70, 20,149,310.55 and 7,386,256.10 is: 11,079,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,873.70 : 20,149,310.55 = 7,386,256.10 : x
  2. Step 2: Convert to fraction form
    13,432,873.70/20,149,310.55 = 7,386,256.10/x
  3. Step 3: Cross multiply
    13,432,873.70x = 20,149,310.55 × 7,386,256.10
  4. Step 4: Simplify right side
    13,432,873.70x = 148,827,967,960,731.84
  5. Step 5: Solve for x
    x = 148,827,967,960,731.84/13,432,873.70
  6. Step 6: Final answer
    x = 11,079,384.15

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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.