Home / 20,736,057.80-31,104,086.70-6,359,011.40

Finding the Fourth Proportional to 20,736,057.80, 31,104,086.70 and 6,359,011.40

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Solution

The fourth proportional to 20,736,057.80, 31,104,086.70 and 6,359,011.40 is: 9,538,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,057.80 : 31,104,086.70 = 6,359,011.40 : x
  2. Step 2: Convert to fraction form
    20,736,057.80/31,104,086.70 = 6,359,011.40/x
  3. Step 3: Cross multiply
    20,736,057.80x = 31,104,086.70 × 6,359,011.40
  4. Step 4: Simplify right side
    20,736,057.80x = 197,791,241,911,888.38
  5. Step 5: Solve for x
    x = 197,791,241,911,888.38/20,736,057.80
  6. Step 6: Final answer
    x = 9,538,517.10

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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.