Home / 8,864,312.80-13,296,469.20-7,352,658.40

Finding the Fourth Proportional to 8,864,312.80, 13,296,469.20 and 7,352,658.40

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Solution

The fourth proportional to 8,864,312.80, 13,296,469.20 and 7,352,658.40 is: 11,028,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864,312.80 : 13,296,469.20 = 7,352,658.40 : x
  2. Step 2: Convert to fraction form
    8,864,312.80/13,296,469.20 = 7,352,658.40/x
  3. Step 3: Cross multiply
    8,864,312.80x = 13,296,469.20 × 7,352,658.40
  4. Step 4: Simplify right side
    8,864,312.80x = 97,764,395,953,721.28
  5. Step 5: Solve for x
    x = 97,764,395,953,721.28/8,864,312.80
  6. Step 6: Final answer
    x = 11,028,987.60

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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.