Home / 21,456,339.15-32,181,477.02-6,881,364.47

Finding the Fourth Proportional to 21,456,339.15, 32,181,477.02 and 6,881,364.47

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Solution

The fourth proportional to 21,456,339.15, 32,181,477.02 and 6,881,364.47 is: 10,321,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,339.15 : 32,181,477.02 = 6,881,364.47 : x
  2. Step 2: Convert to fraction form
    21,456,339.15/32,181,477.02 = 6,881,364.47/x
  3. Step 3: Cross multiply
    21,456,339.15x = 32,181,477.02 × 6,881,364.47
  4. Step 4: Simplify right side
    21,456,339.15x = 221,452,472,557,549.47
  5. Step 5: Solve for x
    x = 221,452,472,557,549.47/21,456,339.15
  6. Step 6: Final answer
    x = 10,321,074.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.