Home / 18,711,134.40-28,066,701.60-4,527,710.40

Finding the Fourth Proportional to 18,711,134.40, 28,066,701.60 and 4,527,710.40

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Solution

The fourth proportional to 18,711,134.40, 28,066,701.60 and 4,527,710.40 is: 6,791,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,134.40 : 28,066,701.60 = 4,527,710.40 : x
  2. Step 2: Convert to fraction form
    18,711,134.40/28,066,701.60 = 4,527,710.40/x
  3. Step 3: Cross multiply
    18,711,134.40x = 28,066,701.60 × 4,527,710.40
  4. Step 4: Simplify right side
    18,711,134.40x = 127,077,896,728,016.66
  5. Step 5: Solve for x
    x = 127,077,896,728,016.66/18,711,134.40
  6. Step 6: Final answer
    x = 6,791,565.60

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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.