Home / 9,152,315.47-12,630,342.72-5,285,174.59

Finding the Fourth Proportional to 9,152,315.47, 12,630,342.72 and 5,285,174.59

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Solution

The fourth proportional to 9,152,315.47, 12,630,342.72 and 5,285,174.59 is: 7,293,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152,315.47 : 12,630,342.72 = 5,285,174.59 : x
  2. Step 2: Convert to fraction form
    9,152,315.47/12,630,342.72 = 5,285,174.59/x
  3. Step 3: Cross multiply
    9,152,315.47x = 12,630,342.72 × 5,285,174.59
  4. Step 4: Simplify right side
    9,152,315.47x = 66,753,566,406,735.48
  5. Step 5: Solve for x
    x = 66,753,566,406,735.48/9,152,315.47
  6. Step 6: Final answer
    x = 7,293,626.04

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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.