Home / 13,255,821.16-18,292,858.98-7,454,601.16

Finding the Fourth Proportional to 13,255,821.16, 18,292,858.98 and 7,454,601.16

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Solution

The fourth proportional to 13,255,821.16, 18,292,858.98 and 7,454,601.16 is: 10,287,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,821.16 : 18,292,858.98 = 7,454,601.16 : x
  2. Step 2: Convert to fraction form
    13,255,821.16/18,292,858.98 = 7,454,601.16/x
  3. Step 3: Cross multiply
    13,255,821.16x = 18,292,858.98 × 7,454,601.16
  4. Step 4: Simplify right side
    13,255,821.16x = 136,365,967,772,024.42
  5. Step 5: Solve for x
    x = 136,365,967,772,024.42/13,255,821.16
  6. Step 6: Final answer
    x = 10,287,251.63

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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.