Home / 7,878,820.59-10,870,920.90-4,781,274.08

Finding the Fourth Proportional to 7,878,820.59, 10,870,920.90 and 4,781,274.08

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Solution

The fourth proportional to 7,878,820.59, 10,870,920.90 and 4,781,274.08 is: 6,597,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,820.59 : 10,870,920.90 = 4,781,274.08 : x
  2. Step 2: Convert to fraction form
    7,878,820.59/10,870,920.90 = 4,781,274.08/x
  3. Step 3: Cross multiply
    7,878,820.59x = 10,870,920.90 × 4,781,274.08
  4. Step 4: Simplify right side
    7,878,820.59x = 51,976,852,270,545.67
  5. Step 5: Solve for x
    x = 51,976,852,270,545.67/7,878,820.59
  6. Step 6: Final answer
    x = 6,597,034.63

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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.