Home / 28,354,976.40-42,437,986.20-26,087,494.80

Finding the Fourth Proportional to 28,354,976.40, 42,437,986.20 and 26,087,494.80

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Solution

The fourth proportional to 28,354,976.40, 42,437,986.20 and 26,087,494.80 is: 39,044,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354,976.40 : 42,437,986.20 = 26,087,494.80 : x
  2. Step 2: Convert to fraction form
    28,354,976.40/42,437,986.20 = 26,087,494.80/x
  3. Step 3: Cross multiply
    28,354,976.40x = 42,437,986.20 × 26,087,494.80
  4. Step 4: Simplify right side
    28,354,976.40x = 1,107,100,744,314,971.88
  5. Step 5: Solve for x
    x = 1,107,100,744,314,971.88/28,354,976.40
  6. Step 6: Final answer
    x = 39,044,319.02

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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.