Home / 11,185,685.18-15,432,534.52-9,117,144.03

Finding the Fourth Proportional to 11,185,685.18, 15,432,534.52 and 9,117,144.03

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Solution

The fourth proportional to 11,185,685.18, 15,432,534.52 and 9,117,144.03 is: 12,578,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185,685.18 : 15,432,534.52 = 9,117,144.03 : x
  2. Step 2: Convert to fraction form
    11,185,685.18/15,432,534.52 = 9,117,144.03/x
  3. Step 3: Cross multiply
    11,185,685.18x = 15,432,534.52 × 9,117,144.03
  4. Step 4: Simplify right side
    11,185,685.18x = 140,700,640,001,866.05
  5. Step 5: Solve for x
    x = 140,700,640,001,866.05/11,185,685.18
  6. Step 6: Final answer
    x = 12,578,634.01

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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.