Home / 22,185,803.64-30,615,836.52-12,396,328.32

Finding the Fourth Proportional to 22,185,803.64, 30,615,836.52 and 12,396,328.32

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Solution

The fourth proportional to 22,185,803.64, 30,615,836.52 and 12,396,328.32 is: 17,106,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185,803.64 : 30,615,836.52 = 12,396,328.32 : x
  2. Step 2: Convert to fraction form
    22,185,803.64/30,615,836.52 = 12,396,328.32/x
  3. Step 3: Cross multiply
    22,185,803.64x = 30,615,836.52 × 12,396,328.32
  4. Step 4: Simplify right side
    22,185,803.64x = 379,523,961,293,366.25
  5. Step 5: Solve for x
    x = 379,523,961,293,366.25/22,185,803.64
  6. Step 6: Final answer
    x = 17,106,613.20

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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.