Home / 12,872,727.76-19,317,064.96-7,483,914.16

Finding the Fourth Proportional to 12,872,727.76, 19,317,064.96 and 7,483,914.16

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Solution

The fourth proportional to 12,872,727.76, 19,317,064.96 and 7,483,914.16 is: 11,230,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,727.76 : 19,317,064.96 = 7,483,914.16 : x
  2. Step 2: Convert to fraction form
    12,872,727.76/19,317,064.96 = 7,483,914.16/x
  3. Step 3: Cross multiply
    12,872,727.76x = 19,317,064.96 × 7,483,914.16
  4. Step 4: Simplify right side
    12,872,727.76x = 144,567,255,983,783.84
  5. Step 5: Solve for x
    x = 144,567,255,983,783.84/12,872,727.76
  6. Step 6: Final answer
    x = 11,230,506.75

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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.