Home / 28,353,902.10-42,530,853.15-21,551,457.30

Finding the Fourth Proportional to 28,353,902.10, 42,530,853.15 and 21,551,457.30

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Solution

The fourth proportional to 28,353,902.10, 42,530,853.15 and 21,551,457.30 is: 32,327,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353,902.10 : 42,530,853.15 = 21,551,457.30 : x
  2. Step 2: Convert to fraction form
    28,353,902.10/42,530,853.15 = 21,551,457.30/x
  3. Step 3: Cross multiply
    28,353,902.10x = 42,530,853.15 × 21,551,457.30
  4. Step 4: Simplify right side
    28,353,902.10x = 916,601,865,594,795.50
  5. Step 5: Solve for x
    x = 916,601,865,594,795.50/28,353,902.10
  6. Step 6: Final answer
    x = 32,327,185.95

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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.