Home / 38,290,045.69-52,840,600.28-20,886,468.31

Finding the Fourth Proportional to 38,290,045.69, 52,840,600.28 and 20,886,468.31

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Solution

The fourth proportional to 38,290,045.69, 52,840,600.28 and 20,886,468.31 is: 28,823,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,045.69 : 52,840,600.28 = 20,886,468.31 : x
  2. Step 2: Convert to fraction form
    38,290,045.69/52,840,600.28 = 20,886,468.31/x
  3. Step 3: Cross multiply
    38,290,045.69x = 52,840,600.28 × 20,886,468.31
  4. Step 4: Simplify right side
    38,290,045.69x = 1,103,653,523,229,597.12
  5. Step 5: Solve for x
    x = 1,103,653,523,229,597.12/38,290,045.69
  6. Step 6: Final answer
    x = 28,823,510.22

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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.