Home / 7,254,275.76-10,010,900.16-3,991,020.12

Finding the Fourth Proportional to 7,254,275.76, 10,010,900.16 and 3,991,020.12

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Solution

The fourth proportional to 7,254,275.76, 10,010,900.16 and 3,991,020.12 is: 5,507,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,275.76 : 10,010,900.16 = 3,991,020.12 : x
  2. Step 2: Convert to fraction form
    7,254,275.76/10,010,900.16 = 3,991,020.12/x
  3. Step 3: Cross multiply
    7,254,275.76x = 10,010,900.16 × 3,991,020.12
  4. Step 4: Simplify right side
    7,254,275.76x = 39,953,703,957,871.22
  5. Step 5: Solve for x
    x = 39,953,703,957,871.22/7,254,275.76
  6. Step 6: Final answer
    x = 5,507,607.55

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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.