Home / 18,918,182.96-26,107,092.03-10,216,354.86

Finding the Fourth Proportional to 18,918,182.96, 26,107,092.03 and 10,216,354.86

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Solution

The fourth proportional to 18,918,182.96, 26,107,092.03 and 10,216,354.86 is: 14,098,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,182.96 : 26,107,092.03 = 10,216,354.86 : x
  2. Step 2: Convert to fraction form
    18,918,182.96/26,107,092.03 = 10,216,354.86/x
  3. Step 3: Cross multiply
    18,918,182.96x = 26,107,092.03 × 10,216,354.86
  4. Step 4: Simplify right side
    18,918,182.96x = 266,719,316,541,157.75
  5. Step 5: Solve for x
    x = 266,719,316,541,157.75/18,918,182.96
  6. Step 6: Final answer
    x = 14,098,569.46

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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.