Home / 21,261,026.80-31,891,540.20-14,742,017.20

Finding the Fourth Proportional to 21,261,026.80, 31,891,540.20 and 14,742,017.20

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Solution

The fourth proportional to 21,261,026.80, 31,891,540.20 and 14,742,017.20 is: 22,113,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,026.80 : 31,891,540.20 = 14,742,017.20 : x
  2. Step 2: Convert to fraction form
    21,261,026.80/31,891,540.20 = 14,742,017.20/x
  3. Step 3: Cross multiply
    21,261,026.80x = 31,891,540.20 × 14,742,017.20
  4. Step 4: Simplify right side
    21,261,026.80x = 470,145,634,162,891.38
  5. Step 5: Solve for x
    x = 470,145,634,162,891.38/21,261,026.80
  6. Step 6: Final answer
    x = 22,113,025.80

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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.