Home / 21,772,811.36-30,046,482.40-11,849,731.44

Finding the Fourth Proportional to 21,772,811.36, 30,046,482.40 and 11,849,731.44

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Solution

The fourth proportional to 21,772,811.36, 30,046,482.40 and 11,849,731.44 is: 16,352,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,772,811.36 : 30,046,482.40 = 11,849,731.44 : x
  2. Step 2: Convert to fraction form
    21,772,811.36/30,046,482.40 = 11,849,731.44/x
  3. Step 3: Cross multiply
    21,772,811.36x = 30,046,482.40 × 11,849,731.44
  4. Step 4: Simplify right side
    21,772,811.36x = 356,042,747,156,686.62
  5. Step 5: Solve for x
    x = 356,042,747,156,686.62/21,772,811.36
  6. Step 6: Final answer
    x = 16,352,630.87

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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.