Home / 22,363,490.16-30,842,494.80-15,405,272.64

Finding the Fourth Proportional to 22,363,490.16, 30,842,494.80 and 15,405,272.64

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Solution

The fourth proportional to 22,363,490.16, 30,842,494.80 and 15,405,272.64 is: 21,246,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363,490.16 : 30,842,494.80 = 15,405,272.64 : x
  2. Step 2: Convert to fraction form
    22,363,490.16/30,842,494.80 = 15,405,272.64/x
  3. Step 3: Cross multiply
    22,363,490.16x = 30,842,494.80 × 15,405,272.64
  4. Step 4: Simplify right side
    22,363,490.16x = 475,137,041,291,782.31
  5. Step 5: Solve for x
    x = 475,137,041,291,782.31/22,363,490.16
  6. Step 6: Final answer
    x = 21,246,104.16

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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.