Home / 7,128,316.80-10,692,475.20-3,342,182.40

Finding the Fourth Proportional to 7,128,316.80, 10,692,475.20 and 3,342,182.40

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Solution

The fourth proportional to 7,128,316.80, 10,692,475.20 and 3,342,182.40 is: 5,013,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,316.80 : 10,692,475.20 = 3,342,182.40 : x
  2. Step 2: Convert to fraction form
    7,128,316.80/10,692,475.20 = 3,342,182.40/x
  3. Step 3: Cross multiply
    7,128,316.80x = 10,692,475.20 × 3,342,182.40
  4. Step 4: Simplify right side
    7,128,316.80x = 35,736,202,425,876.48
  5. Step 5: Solve for x
    x = 35,736,202,425,876.48/7,128,316.80
  6. Step 6: Final answer
    x = 5,013,273.60

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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.