Home / 23,090,665.96-31,865,402.46-12,778,348.60

Finding the Fourth Proportional to 23,090,665.96, 31,865,402.46 and 12,778,348.60

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Solution

The fourth proportional to 23,090,665.96, 31,865,402.46 and 12,778,348.60 is: 17,634,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090,665.96 : 31,865,402.46 = 12,778,348.60 : x
  2. Step 2: Convert to fraction form
    23,090,665.96/31,865,402.46 = 12,778,348.60/x
  3. Step 3: Cross multiply
    23,090,665.96x = 31,865,402.46 × 12,778,348.60
  4. Step 4: Simplify right side
    23,090,665.96x = 407,187,220,913,177.56
  5. Step 5: Solve for x
    x = 407,187,220,913,177.56/23,090,665.96
  6. Step 6: Final answer
    x = 17,634,277.92

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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.