Home / 18,290,427.56-25,238,470.17-10,028,315.71

Finding the Fourth Proportional to 18,290,427.56, 25,238,470.17 and 10,028,315.71

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Solution

The fourth proportional to 18,290,427.56, 25,238,470.17 and 10,028,315.71 is: 13,837,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,427.56 : 25,238,470.17 = 10,028,315.71 : x
  2. Step 2: Convert to fraction form
    18,290,427.56/25,238,470.17 = 10,028,315.71/x
  3. Step 3: Cross multiply
    18,290,427.56x = 25,238,470.17 × 10,028,315.71
  4. Step 4: Simplify right side
    18,290,427.56x = 253,099,346,971,331.62
  5. Step 5: Solve for x
    x = 253,099,346,971,331.62/18,290,427.56
  6. Step 6: Final answer
    x = 13,837,803.74

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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.