Home / 21,252,538.28-31,882,848.93-14,714,817.68

Finding the Fourth Proportional to 21,252,538.28, 31,882,848.93 and 14,714,817.68

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Solution

The fourth proportional to 21,252,538.28, 31,882,848.93 and 14,714,817.68 is: 22,075,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252,538.28 : 31,882,848.93 = 14,714,817.68 : x
  2. Step 2: Convert to fraction form
    21,252,538.28/31,882,848.93 = 14,714,817.68/x
  3. Step 3: Cross multiply
    21,252,538.28x = 31,882,848.93 × 14,714,817.68
  4. Step 4: Simplify right side
    21,252,538.28x = 469,150,308,964,518.88
  5. Step 5: Solve for x
    x = 469,150,308,964,518.88/21,252,538.28
  6. Step 6: Final answer
    x = 22,075,024.78

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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.