Home / 7,913,116.80-11,869,675.20-7,382,275.20

Finding the Fourth Proportional to 7,913,116.80, 11,869,675.20 and 7,382,275.20

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Solution

The fourth proportional to 7,913,116.80, 11,869,675.20 and 7,382,275.20 is: 11,073,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,116.80 : 11,869,675.20 = 7,382,275.20 : x
  2. Step 2: Convert to fraction form
    7,913,116.80/11,869,675.20 = 7,382,275.20/x
  3. Step 3: Cross multiply
    7,913,116.80x = 11,869,675.20 × 7,382,275.20
  4. Step 4: Simplify right side
    7,913,116.80x = 87,625,208,861,015.03
  5. Step 5: Solve for x
    x = 87,625,208,861,015.03/7,913,116.80
  6. Step 6: Final answer
    x = 11,073,412.80

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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.