Home / 7,881,130.11-10,875,712.78-4,620,116.74

Finding the Fourth Proportional to 7,881,130.11, 10,875,712.78 and 4,620,116.74

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Solution

The fourth proportional to 7,881,130.11, 10,875,712.78 and 4,620,116.74 is: 6,375,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,130.11 : 10,875,712.78 = 4,620,116.74 : x
  2. Step 2: Convert to fraction form
    7,881,130.11/10,875,712.78 = 4,620,116.74/x
  3. Step 3: Cross multiply
    7,881,130.11x = 10,875,712.78 × 4,620,116.74
  4. Step 4: Simplify right side
    7,881,130.11x = 50,247,062,674,309.94
  5. Step 5: Solve for x
    x = 50,247,062,674,309.94/7,881,130.11
  6. Step 6: Final answer
    x = 6,375,616.44

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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.