Home / 15,342,735.52-21,173,468.80-8,727,153.84

Finding the Fourth Proportional to 15,342,735.52, 21,173,468.80 and 8,727,153.84

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Solution

The fourth proportional to 15,342,735.52, 21,173,468.80 and 8,727,153.84 is: 12,043,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,735.52 : 21,173,468.80 = 8,727,153.84 : x
  2. Step 2: Convert to fraction form
    15,342,735.52/21,173,468.80 = 8,727,153.84/x
  3. Step 3: Cross multiply
    15,342,735.52x = 21,173,468.80 × 8,727,153.84
  4. Step 4: Simplify right side
    15,342,735.52x = 184,784,119,544,040.19
  5. Step 5: Solve for x
    x = 184,784,119,544,040.19/15,342,735.52
  6. Step 6: Final answer
    x = 12,043,753.17

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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.