Home / 16,920,970.80-25,344,131.40-10,177,623.60

Finding the Fourth Proportional to 16,920,970.80, 25,344,131.40 and 10,177,623.60

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Solution

The fourth proportional to 16,920,970.80, 25,344,131.40 and 10,177,623.60 is: 15,243,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920,970.80 : 25,344,131.40 = 10,177,623.60 : x
  2. Step 2: Convert to fraction form
    16,920,970.80/25,344,131.40 = 10,177,623.60/x
  3. Step 3: Cross multiply
    16,920,970.80x = 25,344,131.40 × 10,177,623.60
  4. Step 4: Simplify right side
    16,920,970.80x = 257,943,029,858,141
  5. Step 5: Solve for x
    x = 257,943,029,858,141/16,920,970.80
  6. Step 6: Final answer
    x = 15,243,985.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.