Home / 12,208,228.20-18,312,342.30-9,382,602.60

Finding the Fourth Proportional to 12,208,228.20, 18,312,342.30 and 9,382,602.60

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Solution

The fourth proportional to 12,208,228.20, 18,312,342.30 and 9,382,602.60 is: 14,073,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,228.20 : 18,312,342.30 = 9,382,602.60 : x
  2. Step 2: Convert to fraction form
    12,208,228.20/18,312,342.30 = 9,382,602.60/x
  3. Step 3: Cross multiply
    12,208,228.20x = 18,312,342.30 × 9,382,602.60
  4. Step 4: Simplify right side
    12,208,228.20x = 171,817,430,476,069.97
  5. Step 5: Solve for x
    x = 171,817,430,476,069.97/12,208,228.20
  6. Step 6: Final answer
    x = 14,073,903.90

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1.5x scale

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.