Home / 7,878,480.56-11,817,724.08-6,083,987.12

Finding the Fourth Proportional to 7,878,480.56, 11,817,724.08 and 6,083,987.12

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Solution

The fourth proportional to 7,878,480.56, 11,817,724.08 and 6,083,987.12 is: 9,125,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,480.56 : 11,817,724.08 = 6,083,987.12 : x
  2. Step 2: Convert to fraction form
    7,878,480.56/11,817,724.08 = 6,083,987.12/x
  3. Step 3: Cross multiply
    7,878,480.56x = 11,817,724.08 × 6,083,987.12
  4. Step 4: Simplify right side
    7,878,480.56x = 71,898,881,090,433.84
  5. Step 5: Solve for x
    x = 71,898,881,090,433.84/7,878,480.56
  6. Step 6: Final answer
    x = 9,125,983.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.