Home / 47,959,579.75-71,908,438.01-18,816,364.07

Finding the Fourth Proportional to 47,959,579.75, 71,908,438.01 and 18,816,364.07

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Solution

The fourth proportional to 47,959,579.75, 71,908,438.01 and 18,816,364.07 is: 28,212,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959,579.75 : 71,908,438.01 = 18,816,364.07 : x
  2. Step 2: Convert to fraction form
    47,959,579.75/71,908,438.01 = 18,816,364.07/x
  3. Step 3: Cross multiply
    47,959,579.75x = 71,908,438.01 × 18,816,364.07
  4. Step 4: Simplify right side
    47,959,579.75x = 1,353,055,349,301,186.50
  5. Step 5: Solve for x
    x = 1,353,055,349,301,186.50/47,959,579.75
  6. Step 6: Final answer
    x = 28,212,410.46

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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.