Home / 14,479,534.80-21,718,970.10-7,289,137.80

Finding the Fourth Proportional to 14,479,534.80, 21,718,970.10 and 7,289,137.80

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Solution

The fourth proportional to 14,479,534.80, 21,718,970.10 and 7,289,137.80 is: 10,933,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,534.80 : 21,718,970.10 = 7,289,137.80 : x
  2. Step 2: Convert to fraction form
    14,479,534.80/21,718,970.10 = 7,289,137.80/x
  3. Step 3: Cross multiply
    14,479,534.80x = 21,718,970.10 × 7,289,137.80
  4. Step 4: Simplify right side
    14,479,534.80x = 158,312,565,932,979.78
  5. Step 5: Solve for x
    x = 158,312,565,932,979.78/14,479,534.80
  6. Step 6: Final answer
    x = 10,933,539.52

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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.