Home / 29,673,559.56-40,929,066.96-20,871,678.72

Finding the Fourth Proportional to 29,673,559.56, 40,929,066.96 and 20,871,678.72

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Solution

The fourth proportional to 29,673,559.56, 40,929,066.96 and 20,871,678.72 is: 28,788,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673,559.56 : 40,929,066.96 = 20,871,678.72 : x
  2. Step 2: Convert to fraction form
    29,673,559.56/40,929,066.96 = 20,871,678.72/x
  3. Step 3: Cross multiply
    29,673,559.56x = 40,929,066.96 × 20,871,678.72
  4. Step 4: Simplify right side
    29,673,559.56x = 854,258,335,898,487
  5. Step 5: Solve for x
    x = 854,258,335,898,487/29,673,559.56
  6. Step 6: Final answer
    x = 28,788,535.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.