Home / 42,772,467.84-64,133,080.04-13,613,711.79

Finding the Fourth Proportional to 42,772,467.84, 64,133,080.04 and 13,613,711.79

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Solution

The fourth proportional to 42,772,467.84, 64,133,080.04 and 13,613,711.79 is: 20,412,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,467.84 : 64,133,080.04 = 13,613,711.79 : x
  2. Step 2: Convert to fraction form
    42,772,467.84/64,133,080.04 = 13,613,711.79/x
  3. Step 3: Cross multiply
    42,772,467.84x = 64,133,080.04 × 13,613,711.79
  4. Step 4: Simplify right side
    42,772,467.84x = 873,089,268,041,992.12
  5. Step 5: Solve for x
    x = 873,089,268,041,992.12/42,772,467.84
  6. Step 6: Final answer
    x = 20,412,412.76

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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.