Home / 13,746,871.23-18,970,876.60-7,552,490.42

Finding the Fourth Proportional to 13,746,871.23, 18,970,876.60 and 7,552,490.42

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Solution

The fourth proportional to 13,746,871.23, 18,970,876.60 and 7,552,490.42 is: 10,422,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,871.23 : 18,970,876.60 = 7,552,490.42 : x
  2. Step 2: Convert to fraction form
    13,746,871.23/18,970,876.60 = 7,552,490.42/x
  3. Step 3: Cross multiply
    13,746,871.23x = 18,970,876.60 × 7,552,490.42
  4. Step 4: Simplify right side
    13,746,871.23x = 143,277,363,803,738.75
  5. Step 5: Solve for x
    x = 143,277,363,803,738.75/13,746,871.23
  6. Step 6: Final answer
    x = 10,422,543.53

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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.