Home / 8,910,570.50-12,295,182.68-5,190,013.81

Finding the Fourth Proportional to 8,910,570.50, 12,295,182.68 and 5,190,013.81

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Solution

The fourth proportional to 8,910,570.50, 12,295,182.68 and 5,190,013.81 is: 7,161,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,570.50 : 12,295,182.68 = 5,190,013.81 : x
  2. Step 2: Convert to fraction form
    8,910,570.50/12,295,182.68 = 5,190,013.81/x
  3. Step 3: Cross multiply
    8,910,570.50x = 12,295,182.68 × 5,190,013.81
  4. Step 4: Simplify right side
    8,910,570.50x = 63,812,167,845,393.88
  5. Step 5: Solve for x
    x = 63,812,167,845,393.88/8,910,570.50
  6. Step 6: Final answer
    x = 7,161,400.93

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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.