Home / 7,254,311.28-10,010,948.67-3,991,055.64

Finding the Fourth Proportional to 7,254,311.28, 10,010,948.67 and 3,991,055.64

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Solution

The fourth proportional to 7,254,311.28, 10,010,948.67 and 3,991,055.64 is: 5,507,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,311.28 : 10,010,948.67 = 3,991,055.64 : x
  2. Step 2: Convert to fraction form
    7,254,311.28/10,010,948.67 = 3,991,055.64/x
  3. Step 3: Cross multiply
    7,254,311.28x = 10,010,948.67 × 3,991,055.64
  4. Step 4: Simplify right side
    7,254,311.28x = 39,954,253,151,154
  5. Step 5: Solve for x
    x = 39,954,253,151,154/7,254,311.28
  6. Step 6: Final answer
    x = 5,507,656.29

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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.