Home / 7,881,113.43-10,875,689.78-4,620,100.07

Finding the Fourth Proportional to 7,881,113.43, 10,875,689.78 and 4,620,100.07

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Solution

The fourth proportional to 7,881,113.43, 10,875,689.78 and 4,620,100.07 is: 6,375,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,113.43 : 10,875,689.78 = 4,620,100.07 : x
  2. Step 2: Convert to fraction form
    7,881,113.43/10,875,689.78 = 4,620,100.07/x
  3. Step 3: Cross multiply
    7,881,113.43x = 10,875,689.78 × 4,620,100.07
  4. Step 4: Simplify right side
    7,881,113.43x = 50,246,775,117,965.01
  5. Step 5: Solve for x
    x = 50,246,775,117,965.01/7,881,113.43
  6. Step 6: Final answer
    x = 6,375,593.44

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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.