Home / 10,148,475.76-13,991,348.64-8,062,240.32

Finding the Fourth Proportional to 10,148,475.76, 13,991,348.64 and 8,062,240.32

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Solution

The fourth proportional to 10,148,475.76, 13,991,348.64 and 8,062,240.32 is: 11,115,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148,475.76 : 13,991,348.64 = 8,062,240.32 : x
  2. Step 2: Convert to fraction form
    10,148,475.76/13,991,348.64 = 8,062,240.32/x
  3. Step 3: Cross multiply
    10,148,475.76x = 13,991,348.64 × 8,062,240.32
  4. Step 4: Simplify right side
    10,148,475.76x = 112,801,615,136,585.17
  5. Step 5: Solve for x
    x = 112,801,615,136,585.17/10,148,475.76
  6. Step 6: Final answer
    x = 11,115,128.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.