Home / 9,288,365.18-12,818,115.74-5,158,778.82

Finding the Fourth Proportional to 9,288,365.18, 12,818,115.74 and 5,158,778.82

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Solution

The fourth proportional to 9,288,365.18, 12,818,115.74 and 5,158,778.82 is: 7,119,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,365.18 : 12,818,115.74 = 5,158,778.82 : x
  2. Step 2: Convert to fraction form
    9,288,365.18/12,818,115.74 = 5,158,778.82/x
  3. Step 3: Cross multiply
    9,288,365.18x = 12,818,115.74 × 5,158,778.82
  4. Step 4: Simplify right side
    9,288,365.18x = 66,125,823,991,820.63
  5. Step 5: Solve for x
    x = 66,125,823,991,820.63/9,288,365.18
  6. Step 6: Final answer
    x = 7,119,210.19

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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.