Home / 27,783,113.69-38,340,696.89-15,559,970.69

Finding the Fourth Proportional to 27,783,113.69, 38,340,696.89 and 15,559,970.69

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Solution

The fourth proportional to 27,783,113.69, 38,340,696.89 and 15,559,970.69 is: 21,472,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,113.69 : 38,340,696.89 = 15,559,970.69 : x
  2. Step 2: Convert to fraction form
    27,783,113.69/38,340,696.89 = 15,559,970.69/x
  3. Step 3: Cross multiply
    27,783,113.69x = 38,340,696.89 × 15,559,970.69
  4. Step 4: Simplify right side
    27,783,113.69x = 596,580,119,842,574.12
  5. Step 5: Solve for x
    x = 596,580,119,842,574.12/27,783,113.69
  6. Step 6: Final answer
    x = 21,472,759.55

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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.