Home / 18,243,612.60-27,365,418.90-17,960,177.40

Finding the Fourth Proportional to 18,243,612.60, 27,365,418.90 and 17,960,177.40

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Solution

The fourth proportional to 18,243,612.60, 27,365,418.90 and 17,960,177.40 is: 26,940,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243,612.60 : 27,365,418.90 = 17,960,177.40 : x
  2. Step 2: Convert to fraction form
    18,243,612.60/27,365,418.90 = 17,960,177.40/x
  3. Step 3: Cross multiply
    18,243,612.60x = 27,365,418.90 × 17,960,177.40
  4. Step 4: Simplify right side
    18,243,612.60x = 491,487,778,069,312.81
  5. Step 5: Solve for x
    x = 491,487,778,069,312.81/18,243,612.60
  6. Step 6: Final answer
    x = 26,940,266.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.