Home / 12,392,477.40-18,588,716.10-9,841,560.60

Finding the Fourth Proportional to 12,392,477.40, 18,588,716.10 and 9,841,560.60

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Solution

The fourth proportional to 12,392,477.40, 18,588,716.10 and 9,841,560.60 is: 14,762,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,477.40 : 18,588,716.10 = 9,841,560.60 : x
  2. Step 2: Convert to fraction form
    12,392,477.40/18,588,716.10 = 9,841,560.60/x
  3. Step 3: Cross multiply
    12,392,477.40x = 18,588,716.10 × 9,841,560.60
  4. Step 4: Simplify right side
    12,392,477.40x = 182,941,975,974,345.66
  5. Step 5: Solve for x
    x = 182,941,975,974,345.66/12,392,477.40
  6. Step 6: Final answer
    x = 14,762,340.90

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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.