Home / 18,363,649.32-25,342,030.44-10,103,820.12

Finding the Fourth Proportional to 18,363,649.32, 25,342,030.44 and 10,103,820.12

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Solution

The fourth proportional to 18,363,649.32, 25,342,030.44 and 10,103,820.12 is: 13,943,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363,649.32 : 25,342,030.44 = 10,103,820.12 : x
  2. Step 2: Convert to fraction form
    18,363,649.32/25,342,030.44 = 10,103,820.12/x
  3. Step 3: Cross multiply
    18,363,649.32x = 25,342,030.44 × 10,103,820.12
  4. Step 4: Simplify right side
    18,363,649.32x = 256,051,317,041,324.44
  5. Step 5: Solve for x
    x = 256,051,317,041,324.44/18,363,649.32
  6. Step 6: Final answer
    x = 13,943,378.71

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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.