Home / 7,077,820.38-9,767,274.21-3,937,962.84

Finding the Fourth Proportional to 7,077,820.38, 9,767,274.21 and 3,937,962.84

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Solution

The fourth proportional to 7,077,820.38, 9,767,274.21 and 3,937,962.84 is: 5,434,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,820.38 : 9,767,274.21 = 3,937,962.84 : x
  2. Step 2: Convert to fraction form
    7,077,820.38/9,767,274.21 = 3,937,962.84/x
  3. Step 3: Cross multiply
    7,077,820.38x = 9,767,274.21 × 3,937,962.84
  4. Step 4: Simplify right side
    7,077,820.38x = 38,463,162,887,070.36
  5. Step 5: Solve for x
    x = 38,463,162,887,070.36/7,077,820.38
  6. Step 6: Final answer
    x = 5,434,323.11

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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.