Home / 12,148,729.80-18,223,094.70-10,235,542.20

Finding the Fourth Proportional to 12,148,729.80, 18,223,094.70 and 10,235,542.20

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Solution

The fourth proportional to 12,148,729.80, 18,223,094.70 and 10,235,542.20 is: 15,353,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,729.80 : 18,223,094.70 = 10,235,542.20 : x
  2. Step 2: Convert to fraction form
    12,148,729.80/18,223,094.70 = 10,235,542.20/x
  3. Step 3: Cross multiply
    12,148,729.80x = 18,223,094.70 × 10,235,542.20
  4. Step 4: Simplify right side
    12,148,729.80x = 186,523,254,816,446.31
  5. Step 5: Solve for x
    x = 186,523,254,816,446.31/12,148,729.80
  6. Step 6: Final answer
    x = 15,353,313.30

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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.