Home / 20,776,057.40-31,164,086.10-12,260,473.40

Finding the Fourth Proportional to 20,776,057.40, 31,164,086.10 and 12,260,473.40

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Solution

The fourth proportional to 20,776,057.40, 31,164,086.10 and 12,260,473.40 is: 18,390,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,057.40 : 31,164,086.10 = 12,260,473.40 : x
  2. Step 2: Convert to fraction form
    20,776,057.40/31,164,086.10 = 12,260,473.40/x
  3. Step 3: Cross multiply
    20,776,057.40x = 31,164,086.10 × 12,260,473.40
  4. Step 4: Simplify right side
    20,776,057.40x = 382,086,448,664,359.75
  5. Step 5: Solve for x
    x = 382,086,448,664,359.75/20,776,057.40
  6. Step 6: Final answer
    x = 18,390,710.10

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1.5x scale

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.