Home / 13,261,498.47-18,291,003.02-11,710,022.92

Finding the Fourth Proportional to 13,261,498.47, 18,291,003.02 and 11,710,022.92

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Solution

The fourth proportional to 13,261,498.47, 18,291,003.02 and 11,710,022.92 is: 16,151,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,498.47 : 18,291,003.02 = 11,710,022.92 : x
  2. Step 2: Convert to fraction form
    13,261,498.47/18,291,003.02 = 11,710,022.92/x
  3. Step 3: Cross multiply
    13,261,498.47x = 18,291,003.02 × 11,710,022.92
  4. Step 4: Simplify right side
    13,261,498.47x = 214,188,064,533,624.19
  5. Step 5: Solve for x
    x = 214,188,064,533,624.19/13,261,498.47
  6. Step 6: Final answer
    x = 16,151,120.86

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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.