Home / 28,308,048.70-42,462,073.05-16,942,647.10

Finding the Fourth Proportional to 28,308,048.70, 42,462,073.05 and 16,942,647.10

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Solution

The fourth proportional to 28,308,048.70, 42,462,073.05 and 16,942,647.10 is: 25,413,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,048.70 : 42,462,073.05 = 16,942,647.10 : x
  2. Step 2: Convert to fraction form
    28,308,048.70/42,462,073.05 = 16,942,647.10/x
  3. Step 3: Cross multiply
    28,308,048.70x = 42,462,073.05 × 16,942,647.10
  4. Step 4: Simplify right side
    28,308,048.70x = 719,419,918,820,570.62
  5. Step 5: Solve for x
    x = 719,419,918,820,570.62/28,308,048.70
  6. Step 6: Final answer
    x = 25,413,970.65

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1.5x scale

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.