Home / 8,759,955.15-12,087,543.87-4,891,983.21

Finding the Fourth Proportional to 8,759,955.15, 12,087,543.87 and 4,891,983.21

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Solution

The fourth proportional to 8,759,955.15, 12,087,543.87 and 4,891,983.21 is: 6,750,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,955.15 : 12,087,543.87 = 4,891,983.21 : x
  2. Step 2: Convert to fraction form
    8,759,955.15/12,087,543.87 = 4,891,983.21/x
  3. Step 3: Cross multiply
    8,759,955.15x = 12,087,543.87 × 4,891,983.21
  4. Step 4: Simplify right side
    8,759,955.15x = 59,132,061,662,178.42
  5. Step 5: Solve for x
    x = 59,132,061,662,178.42/8,759,955.15
  6. Step 6: Final answer
    x = 6,750,269.91

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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.