Home / 13,359,002.12-18,435,429.60-7,247,429

Finding the Fourth Proportional to 13,359,002.12, 18,435,429.60 and 7,247,429

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Solution

The fourth proportional to 13,359,002.12, 18,435,429.60 and 7,247,429 is: 10,001,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,002.12 : 18,435,429.60 = 7,247,429 : x
  2. Step 2: Convert to fraction form
    13,359,002.12/18,435,429.60 = 7,247,429/x
  3. Step 3: Cross multiply
    13,359,002.12x = 18,435,429.60 × 7,247,429
  4. Step 4: Simplify right side
    13,359,002.12x = 133,609,467,110,498.41
  5. Step 5: Solve for x
    x = 133,609,467,110,498.41/13,359,002.12
  6. Step 6: Final answer
    x = 10,001,455.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.