Home / 13,133,200.80-19,699,801.20-8,087,354.40

Finding the Fourth Proportional to 13,133,200.80, 19,699,801.20 and 8,087,354.40

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Solution

The fourth proportional to 13,133,200.80, 19,699,801.20 and 8,087,354.40 is: 12,131,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,200.80 : 19,699,801.20 = 8,087,354.40 : x
  2. Step 2: Convert to fraction form
    13,133,200.80/19,699,801.20 = 8,087,354.40/x
  3. Step 3: Cross multiply
    13,133,200.80x = 19,699,801.20 × 8,087,354.40
  4. Step 4: Simplify right side
    13,133,200.80x = 159,319,273,913,945.28
  5. Step 5: Solve for x
    x = 159,319,273,913,945.28/13,133,200.80
  6. Step 6: Final answer
    x = 12,131,031.60

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Similar ratio
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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.