Home / 8,805,819.60-13,208,729.40-7,388,643.60

Finding the Fourth Proportional to 8,805,819.60, 13,208,729.40 and 7,388,643.60

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Solution

The fourth proportional to 8,805,819.60, 13,208,729.40 and 7,388,643.60 is: 11,082,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,819.60 : 13,208,729.40 = 7,388,643.60 : x
  2. Step 2: Convert to fraction form
    8,805,819.60/13,208,729.40 = 7,388,643.60/x
  3. Step 3: Cross multiply
    8,805,819.60x = 13,208,729.40 × 7,388,643.60
  4. Step 4: Simplify right side
    8,805,819.60x = 97,594,593,945,441.84
  5. Step 5: Solve for x
    x = 97,594,593,945,441.84/8,805,819.60
  6. Step 6: Final answer
    x = 11,082,965.40

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Similar ratio
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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.