Home / 28,527,514.92-42,811,703.29-12,144,285.67

Finding the Fourth Proportional to 28,527,514.92, 42,811,703.29 and 12,144,285.67

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Solution

The fourth proportional to 28,527,514.92, 42,811,703.29 and 12,144,285.67 is: 18,225,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527,514.92 : 42,811,703.29 = 12,144,285.67 : x
  2. Step 2: Convert to fraction form
    28,527,514.92/42,811,703.29 = 12,144,285.67/x
  3. Step 3: Cross multiply
    28,527,514.92x = 42,811,703.29 × 12,144,285.67
  4. Step 4: Simplify right side
    28,527,514.92x = 519,917,554,959,513.25
  5. Step 5: Solve for x
    x = 519,917,554,959,513.25/28,527,514.92
  6. Step 6: Final answer
    x = 18,225,126.04

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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.