Home / 27,783,111.69-38,340,694.13-15,559,968.69

Finding the Fourth Proportional to 27,783,111.69, 38,340,694.13 and 15,559,968.69

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Solution

The fourth proportional to 27,783,111.69, 38,340,694.13 and 15,559,968.69 is: 21,472,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,111.69 : 38,340,694.13 = 15,559,968.69 : x
  2. Step 2: Convert to fraction form
    27,783,111.69/38,340,694.13 = 15,559,968.69/x
  3. Step 3: Cross multiply
    27,783,111.69x = 38,340,694.13 × 15,559,968.69
  4. Step 4: Simplify right side
    27,783,111.69x = 596,580,000,334,030.50
  5. Step 5: Solve for x
    x = 596,580,000,334,030.50/27,783,111.69
  6. Step 6: Final answer
    x = 21,472,756.79

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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.