Home / 8,870,643.35-13,305,965.03-7,974,848.15

Finding the Fourth Proportional to 8,870,643.35, 13,305,965.03 and 7,974,848.15

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Solution

The fourth proportional to 8,870,643.35, 13,305,965.03 and 7,974,848.15 is: 11,962,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,643.35 : 13,305,965.03 = 7,974,848.15 : x
  2. Step 2: Convert to fraction form
    8,870,643.35/13,305,965.03 = 7,974,848.15/x
  3. Step 3: Cross multiply
    8,870,643.35x = 13,305,965.03 × 7,974,848.15
  4. Step 4: Simplify right side
    8,870,643.35x = 106,113,050,563,585.97
  5. Step 5: Solve for x
    x = 106,113,050,563,585.97/8,870,643.35
  6. Step 6: Final answer
    x = 11,962,272.23

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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.