Home / 7,730,122.10-10,667,836.77-4,292,420.54

Finding the Fourth Proportional to 7,730,122.10, 10,667,836.77 and 4,292,420.54

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Solution

The fourth proportional to 7,730,122.10, 10,667,836.77 and 4,292,420.54 is: 5,923,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730,122.10 : 10,667,836.77 = 4,292,420.54 : x
  2. Step 2: Convert to fraction form
    7,730,122.10/10,667,836.77 = 4,292,420.54/x
  3. Step 3: Cross multiply
    7,730,122.10x = 10,667,836.77 × 4,292,420.54
  4. Step 4: Simplify right side
    7,730,122.10x = 45,790,841,668,915.26
  5. Step 5: Solve for x
    x = 45,790,841,668,915.26/7,730,122.10
  6. Step 6: Final answer
    x = 5,923,689.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.