Home / 28,083,221.70-42,124,832.55-6,808,085.70

Finding the Fourth Proportional to 28,083,221.70, 42,124,832.55 and 6,808,085.70

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Solution

The fourth proportional to 28,083,221.70, 42,124,832.55 and 6,808,085.70 is: 10,212,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,221.70 : 42,124,832.55 = 6,808,085.70 : x
  2. Step 2: Convert to fraction form
    28,083,221.70/42,124,832.55 = 6,808,085.70/x
  3. Step 3: Cross multiply
    28,083,221.70x = 42,124,832.55 × 6,808,085.70
  4. Step 4: Simplify right side
    28,083,221.70x = 286,789,470,098,549.50
  5. Step 5: Solve for x
    x = 286,789,470,098,549.50/28,083,221.70
  6. Step 6: Final answer
    x = 10,212,128.55

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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.