Home / 20,404,281.12-30,610,679.04-10,817,056.32

Finding the Fourth Proportional to 20,404,281.12, 30,610,679.04 and 10,817,056.32

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Solution

The fourth proportional to 20,404,281.12, 30,610,679.04 and 10,817,056.32 is: 16,227,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,281.12 : 30,610,679.04 = 10,817,056.32 : x
  2. Step 2: Convert to fraction form
    20,404,281.12/30,610,679.04 = 10,817,056.32/x
  3. Step 3: Cross multiply
    20,404,281.12x = 30,610,679.04 × 10,817,056.32
  4. Step 4: Simplify right side
    20,404,281.12x = 331,117,439,169,123.56
  5. Step 5: Solve for x
    x = 331,117,439,169,123.56/20,404,281.12
  6. Step 6: Final answer
    x = 16,227,841.46

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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.