Home / 22,761,955.32-31,409,599.46-12,838,291.16

Finding the Fourth Proportional to 22,761,955.32, 31,409,599.46 and 12,838,291.16

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Solution

The fourth proportional to 22,761,955.32, 31,409,599.46 and 12,838,291.16 is: 17,715,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761,955.32 : 31,409,599.46 = 12,838,291.16 : x
  2. Step 2: Convert to fraction form
    22,761,955.32/31,409,599.46 = 12,838,291.16/x
  3. Step 3: Cross multiply
    22,761,955.32x = 31,409,599.46 × 12,838,291.16
  4. Step 4: Simplify right side
    22,761,955.32x = 403,245,582,865,219.25
  5. Step 5: Solve for x
    x = 403,245,582,865,219.25/22,761,955.32
  6. Step 6: Final answer
    x = 17,715,770.78

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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.