Home / 12,236,218.30-16,884,657.51-7,078,616.20

Finding the Fourth Proportional to 12,236,218.30, 16,884,657.51 and 7,078,616.20

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Solution

The fourth proportional to 12,236,218.30, 16,884,657.51 and 7,078,616.20 is: 9,767,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,218.30 : 16,884,657.51 = 7,078,616.20 : x
  2. Step 2: Convert to fraction form
    12,236,218.30/16,884,657.51 = 7,078,616.20/x
  3. Step 3: Cross multiply
    12,236,218.30x = 16,884,657.51 × 7,078,616.20
  4. Step 4: Simplify right side
    12,236,218.30x = 119,520,010,097,314.39
  5. Step 5: Solve for x
    x = 119,520,010,097,314.39/12,236,218.30
  6. Step 6: Final answer
    x = 9,767,724.57

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1.5x scale

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.