Home / 18,197,216.60-25,115,402.60-10,754,574.78

Finding the Fourth Proportional to 18,197,216.60, 25,115,402.60 and 10,754,574.78

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Solution

The fourth proportional to 18,197,216.60, 25,115,402.60 and 10,754,574.78 is: 14,843,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,216.60 : 25,115,402.60 = 10,754,574.78 : x
  2. Step 2: Convert to fraction form
    18,197,216.60/25,115,402.60 = 10,754,574.78/x
  3. Step 3: Cross multiply
    18,197,216.60x = 25,115,402.60 × 10,754,574.78
  4. Step 4: Simplify right side
    18,197,216.60x = 270,105,475,330,971.81
  5. Step 5: Solve for x
    x = 270,105,475,330,971.81/18,197,216.60
  6. Step 6: Final answer
    x = 14,843,230.22

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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.