Home / 26,343,445.32-39,487,174.38-12,688,079.76

Finding the Fourth Proportional to 26,343,445.32, 39,487,174.38 and 12,688,079.76

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Solution

The fourth proportional to 26,343,445.32, 39,487,174.38 and 12,688,079.76 is: 19,018,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343,445.32 : 39,487,174.38 = 12,688,079.76 : x
  2. Step 2: Convert to fraction form
    26,343,445.32/39,487,174.38 = 12,688,079.76/x
  3. Step 3: Cross multiply
    26,343,445.32x = 39,487,174.38 × 12,688,079.76
  4. Step 4: Simplify right side
    26,343,445.32x = 501,016,418,030,468.56
  5. Step 5: Solve for x
    x = 501,016,418,030,468.56/26,343,445.32
  6. Step 6: Final answer
    x = 19,018,636.78

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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.