Home / 10,106,472.40-15,159,708.60-7,714,987.90

Finding the Fourth Proportional to 10,106,472.40, 15,159,708.60 and 7,714,987.90

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Solution

The fourth proportional to 10,106,472.40, 15,159,708.60 and 7,714,987.90 is: 11,572,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,472.40 : 15,159,708.60 = 7,714,987.90 : x
  2. Step 2: Convert to fraction form
    10,106,472.40/15,159,708.60 = 7,714,987.90/x
  3. Step 3: Cross multiply
    10,106,472.40x = 15,159,708.60 × 7,714,987.90
  4. Step 4: Simplify right side
    10,106,472.40x = 116,956,968,416,525.94
  5. Step 5: Solve for x
    x = 116,956,968,416,525.94/10,106,472.40
  6. Step 6: Final answer
    x = 11,572,481.85

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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.