Home / 8,348,986.80-12,532,811.40-6,464,084.40

Finding the Fourth Proportional to 8,348,986.80, 12,532,811.40 and 6,464,084.40

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Solution

The fourth proportional to 8,348,986.80, 12,532,811.40 and 6,464,084.40 is: 9,703,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,986.80 : 12,532,811.40 = 6,464,084.40 : x
  2. Step 2: Convert to fraction form
    8,348,986.80/12,532,811.40 = 6,464,084.40/x
  3. Step 3: Cross multiply
    8,348,986.80x = 12,532,811.40 × 6,464,084.40
  4. Step 4: Simplify right side
    8,348,986.80x = 81,013,150,658,882.17
  5. Step 5: Solve for x
    x = 81,013,150,658,882.17/8,348,986.80
  6. Step 6: Final answer
    x = 9,703,351.15

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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.