Home / 7,155,763.10-10,706,559.36-4,239,422.28

Finding the Fourth Proportional to 7,155,763.10, 10,706,559.36 and 4,239,422.28

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Solution

The fourth proportional to 7,155,763.10, 10,706,559.36 and 4,239,422.28 is: 6,343,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,763.10 : 10,706,559.36 = 4,239,422.28 : x
  2. Step 2: Convert to fraction form
    7,155,763.10/10,706,559.36 = 4,239,422.28/x
  3. Step 3: Cross multiply
    7,155,763.10x = 10,706,559.36 × 4,239,422.28
  4. Step 4: Simplify right side
    7,155,763.10x = 45,389,626,292,926.54
  5. Step 5: Solve for x
    x = 45,389,626,292,926.54/7,155,763.10
  6. Step 6: Final answer
    x = 6,343,086.78

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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.