Home / 12,459,458.20-18,689,187.30-3,361,538.20

Finding the Fourth Proportional to 12,459,458.20, 18,689,187.30 and 3,361,538.20

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Solution

The fourth proportional to 12,459,458.20, 18,689,187.30 and 3,361,538.20 is: 5,042,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,458.20 : 18,689,187.30 = 3,361,538.20 : x
  2. Step 2: Convert to fraction form
    12,459,458.20/18,689,187.30 = 3,361,538.20/x
  3. Step 3: Cross multiply
    12,459,458.20x = 18,689,187.30 × 3,361,538.20
  4. Step 4: Simplify right side
    12,459,458.20x = 62,824,417,035,904.87
  5. Step 5: Solve for x
    x = 62,824,417,035,904.87/12,459,458.20
  6. Step 6: Final answer
    x = 5,042,307.30

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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.