Home / 8,402,003.70-12,603,005.55-2,722,802.10

Finding the Fourth Proportional to 8,402,003.70, 12,603,005.55 and 2,722,802.10

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Solution

The fourth proportional to 8,402,003.70, 12,603,005.55 and 2,722,802.10 is: 4,084,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,003.70 : 12,603,005.55 = 2,722,802.10 : x
  2. Step 2: Convert to fraction form
    8,402,003.70/12,603,005.55 = 2,722,802.10/x
  3. Step 3: Cross multiply
    8,402,003.70x = 12,603,005.55 × 2,722,802.10
  4. Step 4: Simplify right side
    8,402,003.70x = 34,315,489,977,851.66
  5. Step 5: Solve for x
    x = 34,315,489,977,851.66/8,402,003.70
  6. Step 6: Final answer
    x = 4,084,203.15

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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.