Home / 9,186,429.60-13,779,644.40-3,128,002.20

Finding the Fourth Proportional to 9,186,429.60, 13,779,644.40 and 3,128,002.20

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Solution

The fourth proportional to 9,186,429.60, 13,779,644.40 and 3,128,002.20 is: 4,692,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186,429.60 : 13,779,644.40 = 3,128,002.20 : x
  2. Step 2: Convert to fraction form
    9,186,429.60/13,779,644.40 = 3,128,002.20/x
  3. Step 3: Cross multiply
    9,186,429.60x = 13,779,644.40 × 3,128,002.20
  4. Step 4: Simplify right side
    9,186,429.60x = 43,102,757,998,417.69
  5. Step 5: Solve for x
    x = 43,102,757,998,417.69/9,186,429.60
  6. Step 6: Final answer
    x = 4,692,003.30

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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.