Home / 25,485,071.28-38,226,494.52-8,212,888.32

Finding the Fourth Proportional to 25,485,071.28, 38,226,494.52 and 8,212,888.32

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Solution

The fourth proportional to 25,485,071.28, 38,226,494.52 and 8,212,888.32 is: 12,318,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485,071.28 : 38,226,494.52 = 8,212,888.32 : x
  2. Step 2: Convert to fraction form
    25,485,071.28/38,226,494.52 = 8,212,888.32/x
  3. Step 3: Cross multiply
    25,485,071.28x = 38,226,494.52 × 8,212,888.32
  4. Step 4: Simplify right side
    25,485,071.28x = 313,949,930,357,852.06
  5. Step 5: Solve for x
    x = 313,949,930,357,852.06/25,485,071.28
  6. Step 6: Final answer
    x = 12,318,973.99

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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.