Home / 7,341,934.31-10,133,489.91-4,079,870.72

Finding the Fourth Proportional to 7,341,934.31, 10,133,489.91 and 4,079,870.72

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Solution

The fourth proportional to 7,341,934.31, 10,133,489.91 and 4,079,870.72 is: 5,631,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,934.31 : 10,133,489.91 = 4,079,870.72 : x
  2. Step 2: Convert to fraction form
    7,341,934.31/10,133,489.91 = 4,079,870.72/x
  3. Step 3: Cross multiply
    7,341,934.31x = 10,133,489.91 × 4,079,870.72
  4. Step 4: Simplify right side
    7,341,934.31x = 41,343,328,777,857.09
  5. Step 5: Solve for x
    x = 41,343,328,777,857.09/7,341,934.31
  6. Step 6: Final answer
    x = 5,631,122.13

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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.