Home / 29,673,562.56-40,929,071.10-20,871,681.72

Finding the Fourth Proportional to 29,673,562.56, 40,929,071.10 and 20,871,681.72

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Solution

The fourth proportional to 29,673,562.56, 40,929,071.10 and 20,871,681.72 is: 28,788,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673,562.56 : 40,929,071.10 = 20,871,681.72 : x
  2. Step 2: Convert to fraction form
    29,673,562.56/40,929,071.10 = 20,871,681.72/x
  3. Step 3: Cross multiply
    29,673,562.56x = 40,929,071.10 × 20,871,681.72
  4. Step 4: Simplify right side
    29,673,562.56x = 854,258,545,094,450.25
  5. Step 5: Solve for x
    x = 854,258,545,094,450.25/29,673,562.56
  6. Step 6: Final answer
    x = 28,788,540.08

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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.