Home / 7,903,484.72-10,902,813.36-5,290,099.92

Finding the Fourth Proportional to 7,903,484.72, 10,902,813.36 and 5,290,099.92

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Solution

The fourth proportional to 7,903,484.72, 10,902,813.36 and 5,290,099.92 is: 7,297,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903,484.72 : 10,902,813.36 = 5,290,099.92 : x
  2. Step 2: Convert to fraction form
    7,903,484.72/10,902,813.36 = 5,290,099.92/x
  3. Step 3: Cross multiply
    7,903,484.72x = 10,902,813.36 × 5,290,099.92
  4. Step 4: Simplify right side
    7,903,484.72x = 57,676,972,083,510.93
  5. Step 5: Solve for x
    x = 57,676,972,083,510.93/7,903,484.72
  6. Step 6: Final answer
    x = 7,297,663.52

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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.