Home / 8,431,288.75-12,648,139.53-2,595,968.20

Finding the Fourth Proportional to 8,431,288.75, 12,648,139.53 and 2,595,968.20

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Solution

The fourth proportional to 8,431,288.75, 12,648,139.53 and 2,595,968.20 is: 3,894,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,288.75 : 12,648,139.53 = 2,595,968.20 : x
  2. Step 2: Convert to fraction form
    8,431,288.75/12,648,139.53 = 2,595,968.20/x
  3. Step 3: Cross multiply
    8,431,288.75x = 12,648,139.53 × 2,595,968.20
  4. Step 4: Simplify right side
    8,431,288.75x = 32,834,168,009,042.95
  5. Step 5: Solve for x
    x = 32,834,168,009,042.95/8,431,288.75
  6. Step 6: Final answer
    x = 3,894,323.75

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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.