Home / 18,124,426.44-25,012,257.72-9,865,085.94

Finding the Fourth Proportional to 18,124,426.44, 25,012,257.72 and 9,865,085.94

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Solution

The fourth proportional to 18,124,426.44, 25,012,257.72 and 9,865,085.94 is: 13,614,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,426.44 : 25,012,257.72 = 9,865,085.94 : x
  2. Step 2: Convert to fraction form
    18,124,426.44/25,012,257.72 = 9,865,085.94/x
  3. Step 3: Cross multiply
    18,124,426.44x = 25,012,257.72 × 9,865,085.94
  4. Step 4: Simplify right side
    18,124,426.44x = 246,748,071,961,228.44
  5. Step 5: Solve for x
    x = 246,748,071,961,228.44/18,124,426.44
  6. Step 6: Final answer
    x = 13,614,117.54

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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.