Home / 21,561,036.20-32,341,554.30-16,742,637.80

Finding the Fourth Proportional to 21,561,036.20, 32,341,554.30 and 16,742,637.80

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Solution

The fourth proportional to 21,561,036.20, 32,341,554.30 and 16,742,637.80 is: 25,113,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,036.20 : 32,341,554.30 = 16,742,637.80 : x
  2. Step 2: Convert to fraction form
    21,561,036.20/32,341,554.30 = 16,742,637.80/x
  3. Step 3: Cross multiply
    21,561,036.20x = 32,341,554.30 × 16,742,637.80
  4. Step 4: Simplify right side
    21,561,036.20x = 541,482,929,533,932.56
  5. Step 5: Solve for x
    x = 541,482,929,533,932.56/21,561,036.20
  6. Step 6: Final answer
    x = 25,113,956.70

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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.