Home / 23,148,874.02-31,942,510.08-12,692,138.70

Finding the Fourth Proportional to 23,148,874.02, 31,942,510.08 and 12,692,138.70

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Solution

The fourth proportional to 23,148,874.02, 31,942,510.08 and 12,692,138.70 is: 17,513,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148,874.02 : 31,942,510.08 = 12,692,138.70 : x
  2. Step 2: Convert to fraction form
    23,148,874.02/31,942,510.08 = 12,692,138.70/x
  3. Step 3: Cross multiply
    23,148,874.02x = 31,942,510.08 × 12,692,138.70
  4. Step 4: Simplify right side
    23,148,874.02x = 405,418,768,361,508.06
  5. Step 5: Solve for x
    x = 405,418,768,361,508.06/23,148,874.02
  6. Step 6: Final answer
    x = 17,513,541.61

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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.