Home / 18,290,438.16-25,238,484.74-10,028,326.28

Finding the Fourth Proportional to 18,290,438.16, 25,238,484.74 and 10,028,326.28

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Solution

The fourth proportional to 18,290,438.16, 25,238,484.74 and 10,028,326.28 is: 13,837,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,438.16 : 25,238,484.74 = 10,028,326.28 : x
  2. Step 2: Convert to fraction form
    18,290,438.16/25,238,484.74 = 10,028,326.28/x
  3. Step 3: Cross multiply
    18,290,438.16x = 25,238,484.74 × 10,028,326.28
  4. Step 4: Simplify right side
    18,290,438.16x = 253,099,759,785,520.94
  5. Step 5: Solve for x
    x = 253,099,759,785,520.94/18,290,438.16
  6. Step 6: Final answer
    x = 13,837,818.29

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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.