Home / 7,066,871.16-9,758,343.72-6,838,351.56

Finding the Fourth Proportional to 7,066,871.16, 9,758,343.72 and 6,838,351.56

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Solution

The fourth proportional to 7,066,871.16, 9,758,343.72 and 6,838,351.56 is: 9,442,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066,871.16 : 9,758,343.72 = 6,838,351.56 : x
  2. Step 2: Convert to fraction form
    7,066,871.16/9,758,343.72 = 6,838,351.56/x
  3. Step 3: Cross multiply
    7,066,871.16x = 9,758,343.72 × 6,838,351.56
  4. Step 4: Simplify right side
    7,066,871.16x = 66,730,985,000,678.20
  5. Step 5: Solve for x
    x = 66,730,985,000,678.20/7,066,871.16
  6. Step 6: Final answer
    x = 9,442,790.66

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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.