Home / 18,267,388.68-25,208,994.29-10,925,220.65

Finding the Fourth Proportional to 18,267,388.68, 25,208,994.29 and 10,925,220.65

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Solution

The fourth proportional to 18,267,388.68, 25,208,994.29 and 10,925,220.65 is: 15,076,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,388.68 : 25,208,994.29 = 10,925,220.65 : x
  2. Step 2: Convert to fraction form
    18,267,388.68/25,208,994.29 = 10,925,220.65/x
  3. Step 3: Cross multiply
    18,267,388.68x = 25,208,994.29 × 10,925,220.65
  4. Step 4: Simplify right side
    18,267,388.68x = 275,413,824,822,543.47
  5. Step 5: Solve for x
    x = 275,413,824,822,543.47/18,267,388.68
  6. Step 6: Final answer
    x = 15,076,803.24

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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.