Home / 13,564,023.52-18,714,130.32-8,331,544.48

Finding the Fourth Proportional to 13,564,023.52, 18,714,130.32 and 8,331,544.48

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Solution

The fourth proportional to 13,564,023.52, 18,714,130.32 and 8,331,544.48 is: 11,494,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,023.52 : 18,714,130.32 = 8,331,544.48 : x
  2. Step 2: Convert to fraction form
    13,564,023.52/18,714,130.32 = 8,331,544.48/x
  3. Step 3: Cross multiply
    13,564,023.52x = 18,714,130.32 × 8,331,544.48
  4. Step 4: Simplify right side
    13,564,023.52x = 155,917,609,165,596.66
  5. Step 5: Solve for x
    x = 155,917,609,165,596.66/13,564,023.52
  6. Step 6: Final answer
    x = 11,494,937.98

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1.5x scale

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.