Home / 8,918,417.32-13,377,903.50-4,243,469.92

Finding the Fourth Proportional to 8,918,417.32, 13,377,903.50 and 4,243,469.92

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Solution

The fourth proportional to 8,918,417.32, 13,377,903.50 and 4,243,469.92 is: 6,365,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,417.32 : 13,377,903.50 = 4,243,469.92 : x
  2. Step 2: Convert to fraction form
    8,918,417.32/13,377,903.50 = 4,243,469.92/x
  3. Step 3: Cross multiply
    8,918,417.32x = 13,377,903.50 × 4,243,469.92
  4. Step 4: Simplify right side
    8,918,417.32x = 56,768,731,072,076.64
  5. Step 5: Solve for x
    x = 56,768,731,072,076.64/8,918,417.32
  6. Step 6: Final answer
    x = 6,365,336.93

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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.