Home / 17,721,457.72-26,582,186.60-4,258,285.72

Finding the Fourth Proportional to 17,721,457.72, 26,582,186.60 and 4,258,285.72

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Solution

The fourth proportional to 17,721,457.72, 26,582,186.60 and 4,258,285.72 is: 6,387,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,457.72 : 26,582,186.60 = 4,258,285.72 : x
  2. Step 2: Convert to fraction form
    17,721,457.72/26,582,186.60 = 4,258,285.72/x
  3. Step 3: Cross multiply
    17,721,457.72x = 26,582,186.60 × 4,258,285.72
  4. Step 4: Simplify right side
    17,721,457.72x = 113,194,545,583,863.91
  5. Step 5: Solve for x
    x = 113,194,545,583,863.91/17,721,457.72
  6. Step 6: Final answer
    x = 6,387,428.58

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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.