Home / 27,699,379.58-38,227,122.86-15,309,206.28

Finding the Fourth Proportional to 27,699,379.58, 38,227,122.86 and 15,309,206.28

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Solution

The fourth proportional to 27,699,379.58, 38,227,122.86 and 15,309,206.28 is: 21,127,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,379.58 : 38,227,122.86 = 15,309,206.28 : x
  2. Step 2: Convert to fraction form
    27,699,379.58/38,227,122.86 = 15,309,206.28/x
  3. Step 3: Cross multiply
    27,699,379.58x = 38,227,122.86 × 15,309,206.28
  4. Step 4: Simplify right side
    27,699,379.58x = 585,226,909,278,097.50
  5. Step 5: Solve for x
    x = 585,226,909,278,097.50/27,699,379.58
  6. Step 6: Final answer
    x = 21,127,798.46

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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.