Home / 8,718,390.40-13,071,680.70-4,455,052.60

Finding the Fourth Proportional to 8,718,390.40, 13,071,680.70 and 4,455,052.60

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Solution

The fourth proportional to 8,718,390.40, 13,071,680.70 and 4,455,052.60 is: 6,679,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,390.40 : 13,071,680.70 = 4,455,052.60 : x
  2. Step 2: Convert to fraction form
    8,718,390.40/13,071,680.70 = 4,455,052.60/x
  3. Step 3: Cross multiply
    8,718,390.40x = 13,071,680.70 × 4,455,052.60
  4. Step 4: Simplify right side
    8,718,390.40x = 58,235,025,088,904.81
  5. Step 5: Solve for x
    x = 58,235,025,088,904.81/8,718,390.40
  6. Step 6: Final answer
    x = 6,679,561.53

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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.