Home / 12,186,663.80-16,807,789.90-10,713,422.34

Finding the Fourth Proportional to 12,186,663.80, 16,807,789.90 and 10,713,422.34

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Solution

The fourth proportional to 12,186,663.80, 16,807,789.90 and 10,713,422.34 is: 14,775,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,663.80 : 16,807,789.90 = 10,713,422.34 : x
  2. Step 2: Convert to fraction form
    12,186,663.80/16,807,789.90 = 10,713,422.34/x
  3. Step 3: Cross multiply
    12,186,663.80x = 16,807,789.90 × 10,713,422.34
  4. Step 4: Simplify right side
    12,186,663.80x = 180,068,951,800,686.34
  5. Step 5: Solve for x
    x = 180,068,951,800,686.34/12,186,663.80
  6. Step 6: Final answer
    x = 14,775,902.15

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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.