Home / 10,358,805.71-14,290,616.90-9,878,540.51

Finding the Fourth Proportional to 10,358,805.71, 14,290,616.90 and 9,878,540.51

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Solution

The fourth proportional to 10,358,805.71, 14,290,616.90 and 9,878,540.51 is: 13,628,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,805.71 : 14,290,616.90 = 9,878,540.51 : x
  2. Step 2: Convert to fraction form
    10,358,805.71/14,290,616.90 = 9,878,540.51/x
  3. Step 3: Cross multiply
    10,358,805.71x = 14,290,616.90 × 9,878,540.51
  4. Step 4: Simplify right side
    10,358,805.71x = 141,170,437,888,087.56
  5. Step 5: Solve for x
    x = 141,170,437,888,087.56/10,358,805.71
  6. Step 6: Final answer
    x = 13,628,061.18

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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.