Home / 17,891,555.86-26,837,329.60-5,112,060.72

Finding the Fourth Proportional to 17,891,555.86, 26,837,329.60 and 5,112,060.72

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Solution

The fourth proportional to 17,891,555.86, 26,837,329.60 and 5,112,060.72 is: 7,668,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891,555.86 : 26,837,329.60 = 5,112,060.72 : x
  2. Step 2: Convert to fraction form
    17,891,555.86/26,837,329.60 = 5,112,060.72/x
  3. Step 3: Cross multiply
    17,891,555.86x = 26,837,329.60 × 5,112,060.72
  4. Step 4: Simplify right side
    17,891,555.86x = 137,194,058,477,853.31
  5. Step 5: Solve for x
    x = 137,194,058,477,853.31/17,891,555.86
  6. Step 6: Final answer
    x = 7,668,089.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.