Home / 28,393,378.50-39,182,862.51-16,171,372.74

Finding the Fourth Proportional to 28,393,378.50, 39,182,862.51 and 16,171,372.74

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Solution

The fourth proportional to 28,393,378.50, 39,182,862.51 and 16,171,372.74 is: 22,316,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,378.50 : 39,182,862.51 = 16,171,372.74 : x
  2. Step 2: Convert to fraction form
    28,393,378.50/39,182,862.51 = 16,171,372.74/x
  3. Step 3: Cross multiply
    28,393,378.50x = 39,182,862.51 × 16,171,372.74
  4. Step 4: Simplify right side
    28,393,378.50x = 633,640,674,669,382
  5. Step 5: Solve for x
    x = 633,640,674,669,382/28,393,378.50
  6. Step 6: Final answer
    x = 22,316,494.48

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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.