Home / 8,808,097.20-13,212,145.80-7,464,404.40

Finding the Fourth Proportional to 8,808,097.20, 13,212,145.80 and 7,464,404.40

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Solution

The fourth proportional to 8,808,097.20, 13,212,145.80 and 7,464,404.40 is: 11,196,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,097.20 : 13,212,145.80 = 7,464,404.40 : x
  2. Step 2: Convert to fraction form
    8,808,097.20/13,212,145.80 = 7,464,404.40/x
  3. Step 3: Cross multiply
    8,808,097.20x = 13,212,145.80 × 7,464,404.40
  4. Step 4: Simplify right side
    8,808,097.20x = 98,620,799,242,961.53
  5. Step 5: Solve for x
    x = 98,620,799,242,961.53/8,808,097.20
  6. Step 6: Final answer
    x = 11,196,606.60

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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.