Home / 7,284,534.14-10,052,393.51-4,021,278.78

Finding the Fourth Proportional to 7,284,534.14, 10,052,393.51 and 4,021,278.78

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Solution

The fourth proportional to 7,284,534.14, 10,052,393.51 and 4,021,278.78 is: 5,549,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284,534.14 : 10,052,393.51 = 4,021,278.78 : x
  2. Step 2: Convert to fraction form
    7,284,534.14/10,052,393.51 = 4,021,278.78/x
  3. Step 3: Cross multiply
    7,284,534.14x = 10,052,393.51 × 4,021,278.78
  4. Step 4: Simplify right side
    7,284,534.14x = 40,423,476,709,972.71
  5. Step 5: Solve for x
    x = 40,423,476,709,972.71/7,284,534.14
  6. Step 6: Final answer
    x = 5,549,219.20

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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.