Home / 10,085,960-13,918,624.80-6,464,288

Finding the Fourth Proportional to 10,085,960, 13,918,624.80 and 6,464,288

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Solution

The fourth proportional to 10,085,960, 13,918,624.80 and 6,464,288 is: 8,920,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,960 : 13,918,624.80 = 6,464,288 : x
  2. Step 2: Convert to fraction form
    10,085,960/13,918,624.80 = 6,464,288/x
  3. Step 3: Cross multiply
    10,085,960x = 13,918,624.80 × 6,464,288
  4. Step 4: Simplify right side
    10,085,960x = 89,973,999,271,142.41
  5. Step 5: Solve for x
    x = 89,973,999,271,142.41/10,085,960
  6. Step 6: Final answer
    x = 8,920,717.44

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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.