Home / 20,783,382.48-28,680,572.24-11,616,878.16

Finding the Fourth Proportional to 20,783,382.48, 28,680,572.24 and 11,616,878.16

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Solution

The fourth proportional to 20,783,382.48, 28,680,572.24 and 11,616,878.16 is: 16,031,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,783,382.48 : 28,680,572.24 = 11,616,878.16 : x
  2. Step 2: Convert to fraction form
    20,783,382.48/28,680,572.24 = 11,616,878.16/x
  3. Step 3: Cross multiply
    20,783,382.48x = 28,680,572.24 × 11,616,878.16
  4. Step 4: Simplify right side
    20,783,382.48x = 333,178,713,271,158.25
  5. Step 5: Solve for x
    x = 333,178,713,271,158.25/20,783,382.48
  6. Step 6: Final answer
    x = 16,031,014.85

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1.5x scale

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.