Home / 19,849,540.80-29,774,311.20-7,882,276.80

Finding the Fourth Proportional to 19,849,540.80, 29,774,311.20 and 7,882,276.80

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Solution

The fourth proportional to 19,849,540.80, 29,774,311.20 and 7,882,276.80 is: 11,823,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849,540.80 : 29,774,311.20 = 7,882,276.80 : x
  2. Step 2: Convert to fraction form
    19,849,540.80/29,774,311.20 = 7,882,276.80/x
  3. Step 3: Cross multiply
    19,849,540.80x = 29,774,311.20 × 7,882,276.80
  4. Step 4: Simplify right side
    19,849,540.80x = 234,689,362,407,740.16
  5. Step 5: Solve for x
    x = 234,689,362,407,740.16/19,849,540.80
  6. Step 6: Final answer
    x = 11,823,415.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.