Home / 18,833,538.48-25,998,180.84-12,730,233.84

Finding the Fourth Proportional to 18,833,538.48, 25,998,180.84 and 12,730,233.84

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Solution

The fourth proportional to 18,833,538.48, 25,998,180.84 and 12,730,233.84 is: 17,573,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833,538.48 : 25,998,180.84 = 12,730,233.84 : x
  2. Step 2: Convert to fraction form
    18,833,538.48/25,998,180.84 = 12,730,233.84/x
  3. Step 3: Cross multiply
    18,833,538.48x = 25,998,180.84 × 12,730,233.84
  4. Step 4: Simplify right side
    18,833,538.48x = 330,962,921,507,807.62
  5. Step 5: Solve for x
    x = 330,962,921,507,807.62/18,833,538.48
  6. Step 6: Final answer
    x = 17,573,061.05

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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.