Home / 20,415,774.16-30,594,773.40-11,321,871.76

Finding the Fourth Proportional to 20,415,774.16, 30,594,773.40 and 11,321,871.76

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Solution

The fourth proportional to 20,415,774.16, 30,594,773.40 and 11,321,871.76 is: 16,966,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,774.16 : 30,594,773.40 = 11,321,871.76 : x
  2. Step 2: Convert to fraction form
    20,415,774.16/30,594,773.40 = 11,321,871.76/x
  3. Step 3: Cross multiply
    20,415,774.16x = 30,594,773.40 × 11,321,871.76
  4. Step 4: Simplify right side
    20,415,774.16x = 346,390,100,961,059.19
  5. Step 5: Solve for x
    x = 346,390,100,961,059.19/20,415,774.16
  6. Step 6: Final answer
    x = 16,966,787.46

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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.