Home / 21,977,071.20-32,965,606.80-15,174,626.40

Finding the Fourth Proportional to 21,977,071.20, 32,965,606.80 and 15,174,626.40

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Solution

The fourth proportional to 21,977,071.20, 32,965,606.80 and 15,174,626.40 is: 22,761,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977,071.20 : 32,965,606.80 = 15,174,626.40 : x
  2. Step 2: Convert to fraction form
    21,977,071.20/32,965,606.80 = 15,174,626.40/x
  3. Step 3: Cross multiply
    21,977,071.20x = 32,965,606.80 × 15,174,626.40
  4. Step 4: Simplify right side
    21,977,071.20x = 500,240,767,239,299.56
  5. Step 5: Solve for x
    x = 500,240,767,239,299.56/21,977,071.20
  6. Step 6: Final answer
    x = 22,761,939.60

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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.