Home / 25,838,209.80-38,757,314.70-18,185,459.40

Finding the Fourth Proportional to 25,838,209.80, 38,757,314.70 and 18,185,459.40

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Solution

The fourth proportional to 25,838,209.80, 38,757,314.70 and 18,185,459.40 is: 27,278,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838,209.80 : 38,757,314.70 = 18,185,459.40 : x
  2. Step 2: Convert to fraction form
    25,838,209.80/38,757,314.70 = 18,185,459.40/x
  3. Step 3: Cross multiply
    25,838,209.80x = 38,757,314.70 × 18,185,459.40
  4. Step 4: Simplify right side
    25,838,209.80x = 704,819,572,929,873.12
  5. Step 5: Solve for x
    x = 704,819,572,929,873.12/25,838,209.80
  6. Step 6: Final answer
    x = 27,278,189.10

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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.