Home / 10,312,801.67-15,454,061.17-5,188,187.72

Finding the Fourth Proportional to 10,312,801.67, 15,454,061.17 and 5,188,187.72

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Solution

The fourth proportional to 10,312,801.67, 15,454,061.17 and 5,188,187.72 is: 7,774,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312,801.67 : 15,454,061.17 = 5,188,187.72 : x
  2. Step 2: Convert to fraction form
    10,312,801.67/15,454,061.17 = 5,188,187.72/x
  3. Step 3: Cross multiply
    10,312,801.67x = 15,454,061.17 × 5,188,187.72
  4. Step 4: Simplify right side
    10,312,801.67x = 80,178,570,411,987.52
  5. Step 5: Solve for x
    x = 80,178,570,411,987.52/10,312,801.67
  6. Step 6: Final answer
    x = 7,774,664.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.