Home / 21,389,293.40-32,036,700.90-8,603,216.60

Finding the Fourth Proportional to 21,389,293.40, 32,036,700.90 and 8,603,216.60

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Solution

The fourth proportional to 21,389,293.40, 32,036,700.90 and 8,603,216.60 is: 12,885,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,293.40 : 32,036,700.90 = 8,603,216.60 : x
  2. Step 2: Convert to fraction form
    21,389,293.40/32,036,700.90 = 8,603,216.60/x
  3. Step 3: Cross multiply
    21,389,293.40x = 32,036,700.90 × 8,603,216.60
  4. Step 4: Simplify right side
    21,389,293.40x = 275,618,676,992,114.91
  5. Step 5: Solve for x
    x = 275,618,676,992,114.91/21,389,293.40
  6. Step 6: Final answer
    x = 12,885,824.32

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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.