Home / 12,976,709.94-19,467,000.10-4,778,721.64

Finding the Fourth Proportional to 12,976,709.94, 19,467,000.10 and 4,778,721.64

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Solution

The fourth proportional to 12,976,709.94, 19,467,000.10 and 4,778,721.64 is: 7,168,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,709.94 : 19,467,000.10 = 4,778,721.64 : x
  2. Step 2: Convert to fraction form
    12,976,709.94/19,467,000.10 = 4,778,721.64/x
  3. Step 3: Cross multiply
    12,976,709.94x = 19,467,000.10 × 4,778,721.64
  4. Step 4: Simplify right side
    12,976,709.94x = 93,027,374,643,752.17
  5. Step 5: Solve for x
    x = 93,027,374,643,752.17/12,976,709.94
  6. Step 6: Final answer
    x = 7,168,795.10

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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.