Home / 15,191,809.21-22,788,727.74-5,342,690.61

Finding the Fourth Proportional to 15,191,809.21, 22,788,727.74 and 5,342,690.61

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Solution

The fourth proportional to 15,191,809.21, 22,788,727.74 and 5,342,690.61 is: 8,014,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,809.21 : 22,788,727.74 = 5,342,690.61 : x
  2. Step 2: Convert to fraction form
    15,191,809.21/22,788,727.74 = 5,342,690.61/x
  3. Step 3: Cross multiply
    15,191,809.21x = 22,788,727.74 × 5,342,690.61
  4. Step 4: Simplify right side
    15,191,809.21x = 121,753,121,710,344.52
  5. Step 5: Solve for x
    x = 121,753,121,710,344.52/15,191,809.21
  6. Step 6: Final answer
    x = 8,014,392.49

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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.