Home / 13,909,642.33-20,849,737.69-4,678,827.25

Finding the Fourth Proportional to 13,909,642.33, 20,849,737.69 and 4,678,827.25

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Solution

The fourth proportional to 13,909,642.33, 20,849,737.69 and 4,678,827.25 is: 7,013,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,642.33 : 20,849,737.69 = 4,678,827.25 : x
  2. Step 2: Convert to fraction form
    13,909,642.33/20,849,737.69 = 4,678,827.25/x
  3. Step 3: Cross multiply
    13,909,642.33x = 20,849,737.69 × 4,678,827.25
  4. Step 4: Simplify right side
    13,909,642.33x = 97,552,320,743,378.30
  5. Step 5: Solve for x
    x = 97,552,320,743,378.30/13,909,642.33
  6. Step 6: Final answer
    x = 7,013,287.51

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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.