Home / 7,172,278.40-10,758,417.60-2,623,318.40

Finding the Fourth Proportional to 7,172,278.40, 10,758,417.60 and 2,623,318.40

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Solution

The fourth proportional to 7,172,278.40, 10,758,417.60 and 2,623,318.40 is: 3,934,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,278.40 : 10,758,417.60 = 2,623,318.40 : x
  2. Step 2: Convert to fraction form
    7,172,278.40/10,758,417.60 = 2,623,318.40/x
  3. Step 3: Cross multiply
    7,172,278.40x = 10,758,417.60 × 2,623,318.40
  4. Step 4: Simplify right side
    7,172,278.40x = 28,222,754,844,963.84
  5. Step 5: Solve for x
    x = 28,222,754,844,963.84/7,172,278.40
  6. Step 6: Final answer
    x = 3,934,977.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.