Home / 20,544,448.40-28,352,230.02-11,377,091.16

Finding the Fourth Proportional to 20,544,448.40, 28,352,230.02 and 11,377,091.16

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Solution

The fourth proportional to 20,544,448.40, 28,352,230.02 and 11,377,091.16 is: 15,700,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,448.40 : 28,352,230.02 = 11,377,091.16 : x
  2. Step 2: Convert to fraction form
    20,544,448.40/28,352,230.02 = 11,377,091.16/x
  3. Step 3: Cross multiply
    20,544,448.40x = 28,352,230.02 × 11,377,091.16
  4. Step 4: Simplify right side
    20,544,448.40x = 322,565,905,526,828.62
  5. Step 5: Solve for x
    x = 322,565,905,526,828.62/20,544,448.40
  6. Step 6: Final answer
    x = 15,700,879.34

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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.