Home / 13,807,439.81-20,711,263.50-6,129,020.40

Finding the Fourth Proportional to 13,807,439.81, 20,711,263.50 and 6,129,020.40

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Solution

The fourth proportional to 13,807,439.81, 20,711,263.50 and 6,129,020.40 is: 9,193,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,439.81 : 20,711,263.50 = 6,129,020.40 : x
  2. Step 2: Convert to fraction form
    13,807,439.81/20,711,263.50 = 6,129,020.40/x
  3. Step 3: Cross multiply
    13,807,439.81x = 20,711,263.50 × 6,129,020.40
  4. Step 4: Simplify right side
    13,807,439.81x = 126,939,756,423,608.17
  5. Step 5: Solve for x
    x = 126,939,756,423,608.17/13,807,439.81
  6. Step 6: Final answer
    x = 9,193,576.66

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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.