Home / 30,545,888.27-42,154,202.52-18,625,400.55

Finding the Fourth Proportional to 30,545,888.27, 42,154,202.52 and 18,625,400.55

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Solution

The fourth proportional to 30,545,888.27, 42,154,202.52 and 18,625,400.55 is: 25,703,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545,888.27 : 42,154,202.52 = 18,625,400.55 : x
  2. Step 2: Convert to fraction form
    30,545,888.27/42,154,202.52 = 18,625,400.55/x
  3. Step 3: Cross multiply
    30,545,888.27x = 42,154,202.52 × 18,625,400.55
  4. Step 4: Simplify right side
    30,545,888.27x = 785,138,906,800,819.50
  5. Step 5: Solve for x
    x = 785,138,906,800,819.50/30,545,888.27
  6. Step 6: Final answer
    x = 25,703,587.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.