Home / 26,619,505.87-39,925,262.62-8,421,336.46

Finding the Fourth Proportional to 26,619,505.87, 39,925,262.62 and 8,421,336.46

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Solution

The fourth proportional to 26,619,505.87, 39,925,262.62 and 8,421,336.46 is: 12,630,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619,505.87 : 39,925,262.62 = 8,421,336.46 : x
  2. Step 2: Convert to fraction form
    26,619,505.87/39,925,262.62 = 8,421,336.46/x
  3. Step 3: Cross multiply
    26,619,505.87x = 39,925,262.62 × 8,421,336.46
  4. Step 4: Simplify right side
    26,619,505.87x = 336,224,069,776,881.12
  5. Step 5: Solve for x
    x = 336,224,069,776,881.12/26,619,505.87
  6. Step 6: Final answer
    x = 12,630,740.46

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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.