Home / 9,138,821.74-12,617,308.29-5,881,297.66

Finding the Fourth Proportional to 9,138,821.74, 12,617,308.29 and 5,881,297.66

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Solution

The fourth proportional to 9,138,821.74, 12,617,308.29 and 5,881,297.66 is: 8,119,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,821.74 : 12,617,308.29 = 5,881,297.66 : x
  2. Step 2: Convert to fraction form
    9,138,821.74/12,617,308.29 = 5,881,297.66/x
  3. Step 3: Cross multiply
    9,138,821.74x = 12,617,308.29 × 5,881,297.66
  4. Step 4: Simplify right side
    9,138,821.74x = 74,206,145,721,475.59
  5. Step 5: Solve for x
    x = 74,206,145,721,475.59/9,138,821.74
  6. Step 6: Final answer
    x = 8,119,881.08

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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.