Home / 18,430,860.39-25,434,598.26-10,282,098.39

Finding the Fourth Proportional to 18,430,860.39, 25,434,598.26 and 10,282,098.39

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Solution

The fourth proportional to 18,430,860.39, 25,434,598.26 and 10,282,098.39 is: 14,189,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,860.39 : 25,434,598.26 = 10,282,098.39 : x
  2. Step 2: Convert to fraction form
    18,430,860.39/25,434,598.26 = 10,282,098.39/x
  3. Step 3: Cross multiply
    18,430,860.39x = 25,434,598.26 × 10,282,098.39
  4. Step 4: Simplify right side
    18,430,860.39x = 261,521,041,819,442.84
  5. Step 5: Solve for x
    x = 261,521,041,819,442.84/18,430,860.39
  6. Step 6: Final answer
    x = 14,189,301.87

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1.5x scale

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.