Home / 7,254,030.88-10,010,562.40-3,990,775.38

Finding the Fourth Proportional to 7,254,030.88, 10,010,562.40 and 3,990,775.38

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Solution

The fourth proportional to 7,254,030.88, 10,010,562.40 and 3,990,775.38 is: 5,507,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,030.88 : 10,010,562.40 = 3,990,775.38 : x
  2. Step 2: Convert to fraction form
    7,254,030.88/10,010,562.40 = 3,990,775.38/x
  3. Step 3: Cross multiply
    7,254,030.88x = 10,010,562.40 × 3,990,775.38
  4. Step 4: Simplify right side
    7,254,030.88x = 39,949,905,965,873.71
  5. Step 5: Solve for x
    x = 39,949,905,965,873.71/7,254,030.88
  6. Step 6: Final answer
    x = 5,507,269.91

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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.