Home / 20,776,663.80-28,671,295.56-11,357,036.12

Finding the Fourth Proportional to 20,776,663.80, 28,671,295.56 and 11,357,036.12

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Solution

The fourth proportional to 20,776,663.80, 28,671,295.56 and 11,357,036.12 is: 15,672,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,663.80 : 28,671,295.56 = 11,357,036.12 : x
  2. Step 2: Convert to fraction form
    20,776,663.80/28,671,295.56 = 11,357,036.12/x
  3. Step 3: Cross multiply
    20,776,663.80x = 28,671,295.56 × 11,357,036.12
  4. Step 4: Simplify right side
    20,776,663.80x = 325,620,939,282,115.56
  5. Step 5: Solve for x
    x = 325,620,939,282,115.56/20,776,663.80
  6. Step 6: Final answer
    x = 15,672,436.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.