Home / 7,428,535.60-11,142,803.40-6,790,806.40

Finding the Fourth Proportional to 7,428,535.60, 11,142,803.40 and 6,790,806.40

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Solution

The fourth proportional to 7,428,535.60, 11,142,803.40 and 6,790,806.40 is: 10,186,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,535.60 : 11,142,803.40 = 6,790,806.40 : x
  2. Step 2: Convert to fraction form
    7,428,535.60/11,142,803.40 = 6,790,806.40/x
  3. Step 3: Cross multiply
    7,428,535.60x = 11,142,803.40 × 6,790,806.40
  4. Step 4: Simplify right side
    7,428,535.60x = 75,668,620,642,661.77
  5. Step 5: Solve for x
    x = 75,668,620,642,661.77/7,428,535.60
  6. Step 6: Final answer
    x = 10,186,209.60

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Double scale
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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.