Home / 8,806,279.20-13,209,418.80-7,462,586.40

Finding the Fourth Proportional to 8,806,279.20, 13,209,418.80 and 7,462,586.40

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Solution

The fourth proportional to 8,806,279.20, 13,209,418.80 and 7,462,586.40 is: 11,193,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,279.20 : 13,209,418.80 = 7,462,586.40 : x
  2. Step 2: Convert to fraction form
    8,806,279.20/13,209,418.80 = 7,462,586.40/x
  3. Step 3: Cross multiply
    8,806,279.20x = 13,209,418.80 × 7,462,586.40
  4. Step 4: Simplify right side
    8,806,279.20x = 98,576,429,088,784.33
  5. Step 5: Solve for x
    x = 98,576,429,088,784.33/8,806,279.20
  6. Step 6: Final answer
    x = 11,193,879.60

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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.