Home / 9,331,969.12-12,878,117.28-5,039,617.12

Finding the Fourth Proportional to 9,331,969.12, 12,878,117.28 and 5,039,617.12

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Solution

The fourth proportional to 9,331,969.12, 12,878,117.28 and 5,039,617.12 is: 6,954,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331,969.12 : 12,878,117.28 = 5,039,617.12 : x
  2. Step 2: Convert to fraction form
    9,331,969.12/12,878,117.28 = 5,039,617.12/x
  3. Step 3: Cross multiply
    9,331,969.12x = 12,878,117.28 × 5,039,617.12
  4. Step 4: Simplify right side
    9,331,969.12x = 64,900,780,317,655.83
  5. Step 5: Solve for x
    x = 64,900,780,317,655.83/9,331,969.12
  6. Step 6: Final answer
    x = 6,954,671.57

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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.