Home / 8,693,792.20-13,028,246.70-6,401,427.40

Finding the Fourth Proportional to 8,693,792.20, 13,028,246.70 and 6,401,427.40

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Solution

The fourth proportional to 8,693,792.20, 13,028,246.70 and 6,401,427.40 is: 9,592,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,792.20 : 13,028,246.70 = 6,401,427.40 : x
  2. Step 2: Convert to fraction form
    8,693,792.20/13,028,246.70 = 6,401,427.40/x
  3. Step 3: Cross multiply
    8,693,792.20x = 13,028,246.70 × 6,401,427.40
  4. Step 4: Simplify right side
    8,693,792.20x = 83,399,375,399,339.58
  5. Step 5: Solve for x
    x = 83,399,375,399,339.58/8,693,792.20
  6. Step 6: Final answer
    x = 9,592,980.08

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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.