Home / 17,721,458.72-26,582,188.10-4,258,286.72

Finding the Fourth Proportional to 17,721,458.72, 26,582,188.10 and 4,258,286.72

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Solution

The fourth proportional to 17,721,458.72, 26,582,188.10 and 4,258,286.72 is: 6,387,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,458.72 : 26,582,188.10 = 4,258,286.72 : x
  2. Step 2: Convert to fraction form
    17,721,458.72/26,582,188.10 = 4,258,286.72/x
  3. Step 3: Cross multiply
    17,721,458.72x = 26,582,188.10 × 4,258,286.72
  4. Step 4: Simplify right side
    17,721,458.72x = 113,194,578,574,772.03
  5. Step 5: Solve for x
    x = 113,194,578,574,772.03/17,721,458.72
  6. Step 6: Final answer
    x = 6,387,430.08

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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.