Home / 9,530,728.84-13,152,406.08-5,179,825.72

Finding the Fourth Proportional to 9,530,728.84, 13,152,406.08 and 5,179,825.72

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Solution

The fourth proportional to 9,530,728.84, 13,152,406.08 and 5,179,825.72 is: 7,148,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530,728.84 : 13,152,406.08 = 5,179,825.72 : x
  2. Step 2: Convert to fraction form
    9,530,728.84/13,152,406.08 = 5,179,825.72/x
  3. Step 3: Cross multiply
    9,530,728.84x = 13,152,406.08 × 5,179,825.72
  4. Step 4: Simplify right side
    9,530,728.84x = 68,127,171,293,068.38
  5. Step 5: Solve for x
    x = 68,127,171,293,068.38/9,530,728.84
  6. Step 6: Final answer
    x = 7,148,159.65

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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.