Home / 28,354,987.40-42,438,002.70-26,087,505.80

Finding the Fourth Proportional to 28,354,987.40, 42,438,002.70 and 26,087,505.80

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Solution

The fourth proportional to 28,354,987.40, 42,438,002.70 and 26,087,505.80 is: 39,044,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354,987.40 : 42,438,002.70 = 26,087,505.80 : x
  2. Step 2: Convert to fraction form
    28,354,987.40/42,438,002.70 = 26,087,505.80/x
  3. Step 3: Cross multiply
    28,354,987.40x = 42,438,002.70 × 26,087,505.80
  4. Step 4: Simplify right side
    28,354,987.40x = 1,107,101,641,576,665.75
  5. Step 5: Solve for x
    x = 1,107,101,641,576,665.75/28,354,987.40
  6. Step 6: Final answer
    x = 39,044,335.52

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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.