Home / 15,871,854.25-21,903,342.78-8,807,592.52

Finding the Fourth Proportional to 15,871,854.25, 21,903,342.78 and 8,807,592.52

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Solution

The fourth proportional to 15,871,854.25, 21,903,342.78 and 8,807,592.52 is: 12,154,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,854.25 : 21,903,342.78 = 8,807,592.52 : x
  2. Step 2: Convert to fraction form
    15,871,854.25/21,903,342.78 = 8,807,592.52/x
  3. Step 3: Cross multiply
    15,871,854.25x = 21,903,342.78 × 8,807,592.52
  4. Step 4: Simplify right side
    15,871,854.25x = 192,915,718,032,124
  5. Step 5: Solve for x
    x = 192,915,718,032,124/15,871,854.25
  6. Step 6: Final answer
    x = 12,154,579.74

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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.