Home / 12,317,145.57-16,996,930.56-6,810,088.20

Finding the Fourth Proportional to 12,317,145.57, 16,996,930.56 and 6,810,088.20

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Solution

The fourth proportional to 12,317,145.57, 16,996,930.56 and 6,810,088.20 is: 9,397,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,145.57 : 16,996,930.56 = 6,810,088.20 : x
  2. Step 2: Convert to fraction form
    12,317,145.57/16,996,930.56 = 6,810,088.20/x
  3. Step 3: Cross multiply
    12,317,145.57x = 16,996,930.56 × 6,810,088.20
  4. Step 4: Simplify right side
    12,317,145.57x = 115,750,596,303,398.55
  5. Step 5: Solve for x
    x = 115,750,596,303,398.55/12,317,145.57
  6. Step 6: Final answer
    x = 9,397,517.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.