Home / 9,288,367.16-12,818,118.48-5,158,780.84

Finding the Fourth Proportional to 9,288,367.16, 12,818,118.48 and 5,158,780.84

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Solution

The fourth proportional to 9,288,367.16, 12,818,118.48 and 5,158,780.84 is: 7,119,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,367.16 : 12,818,118.48 = 5,158,780.84 : x
  2. Step 2: Convert to fraction form
    9,288,367.16/12,818,118.48 = 5,158,780.84/x
  3. Step 3: Cross multiply
    9,288,367.16x = 12,818,118.48 × 5,158,780.84
  4. Step 4: Simplify right side
    9,288,367.16x = 66,125,864,019,473.92
  5. Step 5: Solve for x
    x = 66,125,864,019,473.92/9,288,367.16
  6. Step 6: Final answer
    x = 7,119,212.98

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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.