Home / 13,564,904.40-20,370,976.20-7,187,612.40

Finding the Fourth Proportional to 13,564,904.40, 20,370,976.20 and 7,187,612.40

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Solution

The fourth proportional to 13,564,904.40, 20,370,976.20 and 7,187,612.40 is: 10,793,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,904.40 : 20,370,976.20 = 7,187,612.40 : x
  2. Step 2: Convert to fraction form
    13,564,904.40/20,370,976.20 = 7,187,612.40/x
  3. Step 3: Cross multiply
    13,564,904.40x = 20,370,976.20 × 7,187,612.40
  4. Step 4: Simplify right side
    13,564,904.40x = 146,418,681,135,224.88
  5. Step 5: Solve for x
    x = 146,418,681,135,224.88/13,564,904.40
  6. Step 6: Final answer
    x = 10,793,933.88

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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.