Home / 13,892,145.40-20,827,090.50-6,601,946.68

Finding the Fourth Proportional to 13,892,145.40, 20,827,090.50 and 6,601,946.68

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Solution

The fourth proportional to 13,892,145.40, 20,827,090.50 and 6,601,946.68 is: 9,897,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,145.40 : 20,827,090.50 = 6,601,946.68 : x
  2. Step 2: Convert to fraction form
    13,892,145.40/20,827,090.50 = 6,601,946.68/x
  3. Step 3: Cross multiply
    13,892,145.40x = 20,827,090.50 × 6,601,946.68
  4. Step 4: Simplify right side
    13,892,145.40x = 137,499,340,980,534.53
  5. Step 5: Solve for x
    x = 137,499,340,980,534.53/13,892,145.40
  6. Step 6: Final answer
    x = 9,897,631.86

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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.