Home / 8,313,689.80-12,470,534.70-7,095,968.20

Finding the Fourth Proportional to 8,313,689.80, 12,470,534.70 and 7,095,968.20

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Solution

The fourth proportional to 8,313,689.80, 12,470,534.70 and 7,095,968.20 is: 10,643,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,689.80 : 12,470,534.70 = 7,095,968.20 : x
  2. Step 2: Convert to fraction form
    8,313,689.80/12,470,534.70 = 7,095,968.20/x
  3. Step 3: Cross multiply
    8,313,689.80x = 12,470,534.70 × 7,095,968.20
  4. Step 4: Simplify right side
    8,313,689.80x = 88,490,517,668,196.53
  5. Step 5: Solve for x
    x = 88,490,517,668,196.53/8,313,689.80
  6. Step 6: Final answer
    x = 10,643,952.30

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Similar ratio
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1.5x scale

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.