Home / 8,958,879.31-12,364,303.05-5,091,981.74

Finding the Fourth Proportional to 8,958,879.31, 12,364,303.05 and 5,091,981.74

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Solution

The fourth proportional to 8,958,879.31, 12,364,303.05 and 5,091,981.74 is: 7,027,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,879.31 : 12,364,303.05 = 5,091,981.74 : x
  2. Step 2: Convert to fraction form
    8,958,879.31/12,364,303.05 = 5,091,981.74/x
  3. Step 3: Cross multiply
    8,958,879.31x = 12,364,303.05 × 5,091,981.74
  4. Step 4: Simplify right side
    8,958,879.31x = 62,958,805,332,966.40
  5. Step 5: Solve for x
    x = 62,958,805,332,966.40/8,958,879.31
  6. Step 6: Final answer
    x = 7,027,531.37

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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.