Home / 21,335,868.71-32,003,886.09-5,161,794.02

Finding the Fourth Proportional to 21,335,868.71, 32,003,886.09 and 5,161,794.02

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Solution

The fourth proportional to 21,335,868.71, 32,003,886.09 and 5,161,794.02 is: 7,742,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,868.71 : 32,003,886.09 = 5,161,794.02 : x
  2. Step 2: Convert to fraction form
    21,335,868.71/32,003,886.09 = 5,161,794.02/x
  3. Step 3: Cross multiply
    21,335,868.71x = 32,003,886.09 × 5,161,794.02
  4. Step 4: Simplify right side
    21,335,868.71x = 165,197,467,676,103.75
  5. Step 5: Solve for x
    x = 165,197,467,676,103.75/21,335,868.71
  6. Step 6: Final answer
    x = 7,742,711.11

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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.