Home / 16,391,505.76-22,623,238.56-9,776,518.08

Finding the Fourth Proportional to 16,391,505.76, 22,623,238.56 and 9,776,518.08

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Solution

The fourth proportional to 16,391,505.76, 22,623,238.56 and 9,776,518.08 is: 13,493,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,505.76 : 22,623,238.56 = 9,776,518.08 : x
  2. Step 2: Convert to fraction form
    16,391,505.76/22,623,238.56 = 9,776,518.08/x
  3. Step 3: Cross multiply
    16,391,505.76x = 22,623,238.56 × 9,776,518.08
  4. Step 4: Simplify right side
    16,391,505.76x = 221,176,500,809,993.16
  5. Step 5: Solve for x
    x = 221,176,500,809,993.16/16,391,505.76
  6. Step 6: Final answer
    x = 13,493,360.77

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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.