Home / 28,068,674.58-38,734,888.77-15,191,618.58

Finding the Fourth Proportional to 28,068,674.58, 38,734,888.77 and 15,191,618.58

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Solution

The fourth proportional to 28,068,674.58, 38,734,888.77 and 15,191,618.58 is: 20,964,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068,674.58 : 38,734,888.77 = 15,191,618.58 : x
  2. Step 2: Convert to fraction form
    28,068,674.58/38,734,888.77 = 15,191,618.58/x
  3. Step 3: Cross multiply
    28,068,674.58x = 38,734,888.77 × 15,191,618.58
  4. Step 4: Simplify right side
    28,068,674.58x = 588,445,655,932,565.38
  5. Step 5: Solve for x
    x = 588,445,655,932,565.38/28,068,674.58
  6. Step 6: Final answer
    x = 20,964,497.42

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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.