Home / 28,608,124.80-42,912,187.20-10,653,513.60

Finding the Fourth Proportional to 28,608,124.80, 42,912,187.20 and 10,653,513.60

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Solution

The fourth proportional to 28,608,124.80, 42,912,187.20 and 10,653,513.60 is: 15,980,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,124.80 : 42,912,187.20 = 10,653,513.60 : x
  2. Step 2: Convert to fraction form
    28,608,124.80/42,912,187.20 = 10,653,513.60/x
  3. Step 3: Cross multiply
    28,608,124.80x = 42,912,187.20 × 10,653,513.60
  4. Step 4: Simplify right side
    28,608,124.80x = 457,165,569,940,945.94
  5. Step 5: Solve for x
    x = 457,165,569,940,945.94/28,608,124.80
  6. Step 6: Final answer
    x = 15,980,270.40

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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.