Home / 9,872,404.94-13,623,823.95-5,521,439.18

Finding the Fourth Proportional to 9,872,404.94, 13,623,823.95 and 5,521,439.18

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Solution

The fourth proportional to 9,872,404.94, 13,623,823.95 and 5,521,439.18 is: 7,619,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,404.94 : 13,623,823.95 = 5,521,439.18 : x
  2. Step 2: Convert to fraction form
    9,872,404.94/13,623,823.95 = 5,521,439.18/x
  3. Step 3: Cross multiply
    9,872,404.94x = 13,623,823.95 × 5,521,439.18
  4. Step 4: Simplify right side
    9,872,404.94x = 75,223,115,338,952.36
  5. Step 5: Solve for x
    x = 75,223,115,338,952.36/9,872,404.94
  6. Step 6: Final answer
    x = 7,619,533.01

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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.