Home / 8,709,586-12,019,275.36-4,789,594.78

Finding the Fourth Proportional to 8,709,586, 12,019,275.36 and 4,789,594.78

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Solution

The fourth proportional to 8,709,586, 12,019,275.36 and 4,789,594.78 is: 6,609,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,586 : 12,019,275.36 = 4,789,594.78 : x
  2. Step 2: Convert to fraction form
    8,709,586/12,019,275.36 = 4,789,594.78/x
  3. Step 3: Cross multiply
    8,709,586x = 12,019,275.36 × 4,789,594.78
  4. Step 4: Simplify right side
    8,709,586x = 57,567,458,523,638.62
  5. Step 5: Solve for x
    x = 57,567,458,523,638.62/8,709,586
  6. Step 6: Final answer
    x = 6,609,666.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.