Home / 29,442,810.28-40,628,228.34-21,712,014.76

Finding the Fourth Proportional to 29,442,810.28, 40,628,228.34 and 21,712,014.76

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Solution

The fourth proportional to 29,442,810.28, 40,628,228.34 and 21,712,014.76 is: 29,960,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442,810.28 : 40,628,228.34 = 21,712,014.76 : x
  2. Step 2: Convert to fraction form
    29,442,810.28/40,628,228.34 = 21,712,014.76/x
  3. Step 3: Cross multiply
    29,442,810.28x = 40,628,228.34 × 21,712,014.76
  4. Step 4: Simplify right side
    29,442,810.28x = 882,120,693,390,730.50
  5. Step 5: Solve for x
    x = 882,120,693,390,730.50/29,442,810.28
  6. Step 6: Final answer
    x = 29,960,478.81

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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.