Home / 12,287,368.17-16,956,449.69-6,780,793.77

Finding the Fourth Proportional to 12,287,368.17, 16,956,449.69 and 6,780,793.77

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Solution

The fourth proportional to 12,287,368.17, 16,956,449.69 and 6,780,793.77 is: 9,357,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,368.17 : 16,956,449.69 = 6,780,793.77 : x
  2. Step 2: Convert to fraction form
    12,287,368.17/16,956,449.69 = 6,780,793.77/x
  3. Step 3: Cross multiply
    12,287,368.17x = 16,956,449.69 × 6,780,793.77
  4. Step 4: Simplify right side
    12,287,368.17x = 114,978,188,385,366.45
  5. Step 5: Solve for x
    x = 114,978,188,385,366.45/12,287,368.17
  6. Step 6: Final answer
    x = 9,357,430.07

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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.