Home / 28,354,990.40-42,438,007.20-26,087,508.80

Finding the Fourth Proportional to 28,354,990.40, 42,438,007.20 and 26,087,508.80

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Solution

The fourth proportional to 28,354,990.40, 42,438,007.20 and 26,087,508.80 is: 39,044,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354,990.40 : 42,438,007.20 = 26,087,508.80 : x
  2. Step 2: Convert to fraction form
    28,354,990.40/42,438,007.20 = 26,087,508.80/x
  3. Step 3: Cross multiply
    28,354,990.40x = 42,438,007.20 × 26,087,508.80
  4. Step 4: Simplify right side
    28,354,990.40x = 1,107,101,886,284,463.50
  5. Step 5: Solve for x
    x = 1,107,101,886,284,463.50/28,354,990.40
  6. Step 6: Final answer
    x = 39,044,340.01

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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.