Home / 12,941,325.60-19,411,988.40-8,910,247.20

Finding the Fourth Proportional to 12,941,325.60, 19,411,988.40 and 8,910,247.20

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Solution

The fourth proportional to 12,941,325.60, 19,411,988.40 and 8,910,247.20 is: 13,365,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,325.60 : 19,411,988.40 = 8,910,247.20 : x
  2. Step 2: Convert to fraction form
    12,941,325.60/19,411,988.40 = 8,910,247.20/x
  3. Step 3: Cross multiply
    12,941,325.60x = 19,411,988.40 × 8,910,247.20
  4. Step 4: Simplify right side
    12,941,325.60x = 172,965,615,287,532.44
  5. Step 5: Solve for x
    x = 172,965,615,287,532.44/12,941,325.60
  6. Step 6: Final answer
    x = 13,365,370.80

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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.