Home / 13,333,772.52-18,400,611.30-7,222,182.12

Finding the Fourth Proportional to 13,333,772.52, 18,400,611.30 and 7,222,182.12

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Solution

The fourth proportional to 13,333,772.52, 18,400,611.30 and 7,222,182.12 is: 9,966,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,772.52 : 18,400,611.30 = 7,222,182.12 : x
  2. Step 2: Convert to fraction form
    13,333,772.52/18,400,611.30 = 7,222,182.12/x
  3. Step 3: Cross multiply
    13,333,772.52x = 18,400,611.30 × 7,222,182.12
  4. Step 4: Simplify right side
    13,333,772.52x = 132,892,565,927,929.97
  5. Step 5: Solve for x
    x = 132,892,565,927,929.97/13,333,772.52
  6. Step 6: Final answer
    x = 9,966,614.15

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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.