Home / 18,724,540.40-28,044,820.20-18,724,540.40

Finding the Fourth Proportional to 18,724,540.40, 28,044,820.20 and 18,724,540.40

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Solution

The fourth proportional to 18,724,540.40, 28,044,820.20 and 18,724,540.40 is: 28,044,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,540.40 : 28,044,820.20 = 18,724,540.40 : x
  2. Step 2: Convert to fraction form
    18,724,540.40/28,044,820.20 = 18,724,540.40/x
  3. Step 3: Cross multiply
    18,724,540.40x = 28,044,820.20 × 18,724,540.40
  4. Step 4: Simplify right side
    18,724,540.40x = 525,126,368,845,636
  5. Step 5: Solve for x
    x = 525,126,368,845,636/18,724,540.40
  6. Step 6: Final answer
    x = 28,044,820.20

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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.