Home / 21,761,779.70-32,643,898.35-6,616,205.30

Finding the Fourth Proportional to 21,761,779.70, 32,643,898.35 and 6,616,205.30

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Solution

The fourth proportional to 21,761,779.70, 32,643,898.35 and 6,616,205.30 is: 9,924,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,779.70 : 32,643,898.35 = 6,616,205.30 : x
  2. Step 2: Convert to fraction form
    21,761,779.70/32,643,898.35 = 6,616,205.30/x
  3. Step 3: Cross multiply
    21,761,779.70x = 32,643,898.35 × 6,616,205.30
  4. Step 4: Simplify right side
    21,761,779.70x = 215,978,733,275,931.25
  5. Step 5: Solve for x
    x = 215,978,733,275,931.25/21,761,779.70
  6. Step 6: Final answer
    x = 9,924,681.54

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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.