Home / 13,341,957.31-18,413,875.56-8,447,633.56

Finding the Fourth Proportional to 13,341,957.31, 18,413,875.56 and 8,447,633.56

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Solution

The fourth proportional to 13,341,957.31, 18,413,875.56 and 8,447,633.56 is: 11,658,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,957.31 : 18,413,875.56 = 8,447,633.56 : x
  2. Step 2: Convert to fraction form
    13,341,957.31/18,413,875.56 = 8,447,633.56/x
  3. Step 3: Cross multiply
    13,341,957.31x = 18,413,875.56 × 8,447,633.56
  4. Step 4: Simplify right side
    13,341,957.31x = 155,553,673,150,319.78
  5. Step 5: Solve for x
    x = 155,553,673,150,319.78/13,341,957.31
  6. Step 6: Final answer
    x = 11,658,984.48

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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.