Home / 9,872,887.92-13,624,484.60-5,521,963.84

Finding the Fourth Proportional to 9,872,887.92, 13,624,484.60 and 5,521,963.84

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Solution

The fourth proportional to 9,872,887.92, 13,624,484.60 and 5,521,963.84 is: 7,620,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,887.92 : 13,624,484.60 = 5,521,963.84 : x
  2. Step 2: Convert to fraction form
    9,872,887.92/13,624,484.60 = 5,521,963.84/x
  3. Step 3: Cross multiply
    9,872,887.92x = 13,624,484.60 × 5,521,963.84
  4. Step 4: Simplify right side
    9,872,887.92x = 75,233,911,299,836.86
  5. Step 5: Solve for x
    x = 75,233,911,299,836.86/9,872,887.92
  6. Step 6: Final answer
    x = 7,620,253.76

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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.