Home / 20,400,829.59-30,605,282.90-5,827,874.87

Finding the Fourth Proportional to 20,400,829.59, 30,605,282.90 and 5,827,874.87

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Solution

The fourth proportional to 20,400,829.59, 30,605,282.90 and 5,827,874.87 is: 8,742,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400,829.59 : 30,605,282.90 = 5,827,874.87 : x
  2. Step 2: Convert to fraction form
    20,400,829.59/30,605,282.90 = 5,827,874.87/x
  3. Step 3: Cross multiply
    20,400,829.59x = 30,605,282.90 × 5,827,874.87
  4. Step 4: Simplify right side
    20,400,829.59x = 178,363,759,171,379.06
  5. Step 5: Solve for x
    x = 178,363,759,171,379.06/20,400,829.59
  6. Step 6: Final answer
    x = 8,742,965.98

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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.