Home / 18,327,262.47-25,291,681.10-10,178,500.23

Finding the Fourth Proportional to 18,327,262.47, 25,291,681.10 and 10,178,500.23

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Solution

The fourth proportional to 18,327,262.47, 25,291,681.10 and 10,178,500.23 is: 14,046,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,262.47 : 25,291,681.10 = 10,178,500.23 : x
  2. Step 2: Convert to fraction form
    18,327,262.47/25,291,681.10 = 10,178,500.23/x
  3. Step 3: Cross multiply
    18,327,262.47x = 25,291,681.10 × 10,178,500.23
  4. Step 4: Simplify right side
    18,327,262.47x = 257,431,381,842,544.16
  5. Step 5: Solve for x
    x = 257,431,381,842,544.16/18,327,262.47
  6. Step 6: Final answer
    x = 14,046,363.02

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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.