Home / 29,079,428.22-40,142,871.36-20,712,184.92

Finding the Fourth Proportional to 29,079,428.22, 40,142,871.36 and 20,712,184.92

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Solution

The fourth proportional to 29,079,428.22, 40,142,871.36 and 20,712,184.92 is: 28,592,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079,428.22 : 40,142,871.36 = 20,712,184.92 : x
  2. Step 2: Convert to fraction form
    29,079,428.22/40,142,871.36 = 20,712,184.92/x
  3. Step 3: Cross multiply
    29,079,428.22x = 40,142,871.36 × 20,712,184.92
  4. Step 4: Simplify right side
    29,079,428.22x = 831,446,574,828,092
  5. Step 5: Solve for x
    x = 831,446,574,828,092/29,079,428.22
  6. Step 6: Final answer
    x = 28,592,260.09

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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.