Home / 14,112,515.60-21,142,062.84-8,337,980.24

Finding the Fourth Proportional to 14,112,515.60, 21,142,062.84 and 8,337,980.24

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Solution

The fourth proportional to 14,112,515.60, 21,142,062.84 and 8,337,980.24 is: 12,491,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,515.60 : 21,142,062.84 = 8,337,980.24 : x
  2. Step 2: Convert to fraction form
    14,112,515.60/21,142,062.84 = 8,337,980.24/x
  3. Step 3: Cross multiply
    14,112,515.60x = 21,142,062.84 × 8,337,980.24
  4. Step 4: Simplify right side
    14,112,515.60x = 176,282,102,192,758.28
  5. Step 5: Solve for x
    x = 176,282,102,192,758.28/14,112,515.60
  6. Step 6: Final answer
    x = 12,491,189.18

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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.