Home / 28,071,029.80-42,102,608.10-8,903,724.40

Finding the Fourth Proportional to 28,071,029.80, 42,102,608.10 and 8,903,724.40

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Solution

The fourth proportional to 28,071,029.80, 42,102,608.10 and 8,903,724.40 is: 13,354,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071,029.80 : 42,102,608.10 = 8,903,724.40 : x
  2. Step 2: Convert to fraction form
    28,071,029.80/42,102,608.10 = 8,903,724.40/x
  3. Step 3: Cross multiply
    28,071,029.80x = 42,102,608.10 × 8,903,724.40
  4. Step 4: Simplify right side
    28,071,029.80x = 374,870,019,043,607.69
  5. Step 5: Solve for x
    x = 374,870,019,043,607.69/28,071,029.80
  6. Step 6: Final answer
    x = 13,354,337.97

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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.