Home / 28,308,041.70-42,462,062.55-16,942,640.10

Finding the Fourth Proportional to 28,308,041.70, 42,462,062.55 and 16,942,640.10

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Solution

The fourth proportional to 28,308,041.70, 42,462,062.55 and 16,942,640.10 is: 25,413,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,041.70 : 42,462,062.55 = 16,942,640.10 : x
  2. Step 2: Convert to fraction form
    28,308,041.70/42,462,062.55 = 16,942,640.10/x
  3. Step 3: Cross multiply
    28,308,041.70x = 42,462,062.55 × 16,942,640.10
  4. Step 4: Simplify right side
    28,308,041.70x = 719,419,443,688,338.25
  5. Step 5: Solve for x
    x = 719,419,443,688,338.25/28,308,041.70
  6. Step 6: Final answer
    x = 25,413,960.15

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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.