Home / 15,886,436.02-21,854,485.87-13,917,447.11

Finding the Fourth Proportional to 15,886,436.02, 21,854,485.87 and 13,917,447.11

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Solution

The fourth proportional to 15,886,436.02, 21,854,485.87 and 13,917,447.11 is: 19,145,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886,436.02 : 21,854,485.87 = 13,917,447.11 : x
  2. Step 2: Convert to fraction form
    15,886,436.02/21,854,485.87 = 13,917,447.11/x
  3. Step 3: Cross multiply
    15,886,436.02x = 21,854,485.87 × 13,917,447.11
  4. Step 4: Simplify right side
    15,886,436.02x = 304,158,651,231,809.94
  5. Step 5: Solve for x
    x = 304,158,651,231,809.94/15,886,436.02
  6. Step 6: Final answer
    x = 19,145,807.84

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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.