Home / 42,772,465.22-64,133,076.11-13,613,709.18

Finding the Fourth Proportional to 42,772,465.22, 64,133,076.11 and 13,613,709.18

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Solution

The fourth proportional to 42,772,465.22, 64,133,076.11 and 13,613,709.18 is: 20,412,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,465.22 : 64,133,076.11 = 13,613,709.18 : x
  2. Step 2: Convert to fraction form
    42,772,465.22/64,133,076.11 = 13,613,709.18/x
  3. Step 3: Cross multiply
    42,772,465.22x = 64,133,076.11 × 13,613,709.18
  4. Step 4: Simplify right side
    42,772,465.22x = 873,089,046,980,345.62
  5. Step 5: Solve for x
    x = 873,089,046,980,345.62/42,772,465.22
  6. Step 6: Final answer
    x = 20,412,408.84

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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.