Home / 9,523,389.65-13,142,315.36-5,172,548.61

Finding the Fourth Proportional to 9,523,389.65, 13,142,315.36 and 5,172,548.61

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Solution

The fourth proportional to 9,523,389.65, 13,142,315.36 and 5,172,548.61 is: 7,138,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523,389.65 : 13,142,315.36 = 5,172,548.61 : x
  2. Step 2: Convert to fraction form
    9,523,389.65/13,142,315.36 = 5,172,548.61/x
  3. Step 3: Cross multiply
    9,523,389.65x = 13,142,315.36 × 5,172,548.61
  4. Step 4: Simplify right side
    9,523,389.65x = 67,979,265,021,686.91
  5. Step 5: Solve for x
    x = 67,979,265,021,686.91/9,523,389.65
  6. Step 6: Final answer
    x = 7,138,137.53

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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.