Home / 28,070,999.80-42,102,563.10-8,903,694.40

Finding the Fourth Proportional to 28,070,999.80, 42,102,563.10 and 8,903,694.40

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Solution

The fourth proportional to 28,070,999.80, 42,102,563.10 and 8,903,694.40 is: 13,354,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070,999.80 : 42,102,563.10 = 8,903,694.40 : x
  2. Step 2: Convert to fraction form
    28,070,999.80/42,102,563.10 = 8,903,694.40/x
  3. Step 3: Cross multiply
    28,070,999.80x = 42,102,563.10 × 8,903,694.40
  4. Step 4: Simplify right side
    28,070,999.80x = 374,868,355,299,116.69
  5. Step 5: Solve for x
    x = 374,868,355,299,116.69/28,070,999.80
  6. Step 6: Final answer
    x = 13,354,292.97

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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.