Home / 9,394,686.72-12,957,485.76-8,090,197.92

Finding the Fourth Proportional to 9,394,686.72, 12,957,485.76 and 8,090,197.92

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Solution

The fourth proportional to 9,394,686.72, 12,957,485.76 and 8,090,197.92 is: 11,158,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394,686.72 : 12,957,485.76 = 8,090,197.92 : x
  2. Step 2: Convert to fraction form
    9,394,686.72/12,957,485.76 = 8,090,197.92/x
  3. Step 3: Cross multiply
    9,394,686.72x = 12,957,485.76 × 8,090,197.92
  4. Step 4: Simplify right side
    9,394,686.72x = 104,828,624,343,981.61
  5. Step 5: Solve for x
    x = 104,828,624,343,981.61/9,394,686.72
  6. Step 6: Final answer
    x = 11,158,288.45

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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.