Home / 7,248,556.16-10,002,803.64-3,985,366.40

Finding the Fourth Proportional to 7,248,556.16, 10,002,803.64 and 3,985,366.40

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Solution

The fourth proportional to 7,248,556.16, 10,002,803.64 and 3,985,366.40 is: 5,499,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248,556.16 : 10,002,803.64 = 3,985,366.40 : x
  2. Step 2: Convert to fraction form
    7,248,556.16/10,002,803.64 = 3,985,366.40/x
  3. Step 3: Cross multiply
    7,248,556.16x = 10,002,803.64 × 3,985,366.40
  4. Step 4: Simplify right side
    7,248,556.16x = 39,864,837,532,653.70
  5. Step 5: Solve for x
    x = 39,864,837,532,653.70/7,248,556.16
  6. Step 6: Final answer
    x = 5,499,693.55

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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.