Home / 12,224,069.05-18,319,071.63-9,187,892.50

Finding the Fourth Proportional to 12,224,069.05, 18,319,071.63 and 9,187,892.50

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Solution

The fourth proportional to 12,224,069.05, 18,319,071.63 and 9,187,892.50 is: 13,769,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,069.05 : 18,319,071.63 = 9,187,892.50 : x
  2. Step 2: Convert to fraction form
    12,224,069.05/18,319,071.63 = 9,187,892.50/x
  3. Step 3: Cross multiply
    12,224,069.05x = 18,319,071.63 × 9,187,892.50
  4. Step 4: Simplify right side
    12,224,069.05x = 168,313,660,744,644.41
  5. Step 5: Solve for x
    x = 168,313,660,744,644.41/12,224,069.05
  6. Step 6: Final answer
    x = 13,769,037.15

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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.