Home / 7,154,271.84-9,872,961.24-3,891,151.20

Finding the Fourth Proportional to 7,154,271.84, 9,872,961.24 and 3,891,151.20

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Solution

The fourth proportional to 7,154,271.84, 9,872,961.24 and 3,891,151.20 is: 5,369,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,271.84 : 9,872,961.24 = 3,891,151.20 : x
  2. Step 2: Convert to fraction form
    7,154,271.84/9,872,961.24 = 3,891,151.20/x
  3. Step 3: Cross multiply
    7,154,271.84x = 9,872,961.24 × 3,891,151.20
  4. Step 4: Simplify right side
    7,154,271.84x = 38,417,184,976,579.49
  5. Step 5: Solve for x
    x = 38,417,184,976,579.49/7,154,271.84
  6. Step 6: Final answer
    x = 5,369,824.61

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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.