Home / 12,447,686.20-18,685,526.10-9,620,332.60

Finding the Fourth Proportional to 12,447,686.20, 18,685,526.10 and 9,620,332.60

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Solution

The fourth proportional to 12,447,686.20, 18,685,526.10 and 9,620,332.60 is: 14,441,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,686.20 : 18,685,526.10 = 9,620,332.60 : x
  2. Step 2: Convert to fraction form
    12,447,686.20/18,685,526.10 = 9,620,332.60/x
  3. Step 3: Cross multiply
    12,447,686.20x = 18,685,526.10 × 9,620,332.60
  4. Step 4: Simplify right side
    12,447,686.20x = 179,760,975,887,980.88
  5. Step 5: Solve for x
    x = 179,760,975,887,980.88/12,447,686.20
  6. Step 6: Final answer
    x = 14,441,316.48

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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.