Home / 10,106,490.40-15,159,735.60-7,715,005.90

Finding the Fourth Proportional to 10,106,490.40, 15,159,735.60 and 7,715,005.90

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Solution

The fourth proportional to 10,106,490.40, 15,159,735.60 and 7,715,005.90 is: 11,572,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,490.40 : 15,159,735.60 = 7,715,005.90 : x
  2. Step 2: Convert to fraction form
    10,106,490.40/15,159,735.60 = 7,715,005.90/x
  3. Step 3: Cross multiply
    10,106,490.40x = 15,159,735.60 × 7,715,005.90
  4. Step 4: Simplify right side
    10,106,490.40x = 116,957,449,596,440.05
  5. Step 5: Solve for x
    x = 116,957,449,596,440.05/10,106,490.40
  6. Step 6: Final answer
    x = 11,572,508.85

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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.