Home / 8,280,738.20-12,421,603.29-2,600,962.31

Finding the Fourth Proportional to 8,280,738.20, 12,421,603.29 and 2,600,962.31

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Solution

The fourth proportional to 8,280,738.20, 12,421,603.29 and 2,600,962.31 is: 3,901,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,738.20 : 12,421,603.29 = 2,600,962.31 : x
  2. Step 2: Convert to fraction form
    8,280,738.20/12,421,603.29 = 2,600,962.31/x
  3. Step 3: Cross multiply
    8,280,738.20x = 12,421,603.29 × 2,600,962.31
  4. Step 4: Simplify right side
    8,280,738.20x = 32,308,121,987,062
  5. Step 5: Solve for x
    x = 32,308,121,987,062/8,280,738.20
  6. Step 6: Final answer
    x = 3,901,599.25

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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.