Home / 12,148,733.80-18,223,100.70-10,235,546.20

Finding the Fourth Proportional to 12,148,733.80, 18,223,100.70 and 10,235,546.20

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Solution

The fourth proportional to 12,148,733.80, 18,223,100.70 and 10,235,546.20 is: 15,353,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,733.80 : 18,223,100.70 = 10,235,546.20 : x
  2. Step 2: Convert to fraction form
    12,148,733.80/18,223,100.70 = 10,235,546.20/x
  3. Step 3: Cross multiply
    12,148,733.80x = 18,223,100.70 × 10,235,546.20
  4. Step 4: Simplify right side
    12,148,733.80x = 186,523,389,122,102.31
  5. Step 5: Solve for x
    x = 186,523,389,122,102.31/12,148,733.80
  6. Step 6: Final answer
    x = 15,353,319.30

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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.