Home / 13,236,143.20-19,854,214.80-9,876,911.20

Finding the Fourth Proportional to 13,236,143.20, 19,854,214.80 and 9,876,911.20

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Solution

The fourth proportional to 13,236,143.20, 19,854,214.80 and 9,876,911.20 is: 14,815,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,143.20 : 19,854,214.80 = 9,876,911.20 : x
  2. Step 2: Convert to fraction form
    13,236,143.20/19,854,214.80 = 9,876,911.20/x
  3. Step 3: Cross multiply
    13,236,143.20x = 19,854,214.80 × 9,876,911.20
  4. Step 4: Simplify right side
    13,236,143.20x = 196,098,316,525,325.75
  5. Step 5: Solve for x
    x = 196,098,316,525,325.75/13,236,143.20
  6. Step 6: Final answer
    x = 14,815,366.80

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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.