Home / 13,312,051.92-19,928,886.84-8,247,076.56

Finding the Fourth Proportional to 13,312,051.92, 19,928,886.84 and 8,247,076.56

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Solution

The fourth proportional to 13,312,051.92, 19,928,886.84 and 8,247,076.56 is: 12,346,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,051.92 : 19,928,886.84 = 8,247,076.56 : x
  2. Step 2: Convert to fraction form
    13,312,051.92/19,928,886.84 = 8,247,076.56/x
  3. Step 3: Cross multiply
    13,312,051.92x = 19,928,886.84 × 8,247,076.56
  4. Step 4: Simplify right side
    13,312,051.92x = 164,355,055,525,056.47
  5. Step 5: Solve for x
    x = 164,355,055,525,056.47/13,312,051.92
  6. Step 6: Final answer
    x = 12,346,335.22

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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.