Home / 10,891,805.40-16,312,824.90-6,412,829.40

Finding the Fourth Proportional to 10,891,805.40, 16,312,824.90 and 6,412,829.40

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Solution

The fourth proportional to 10,891,805.40, 16,312,824.90 and 6,412,829.40 is: 9,604,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,805.40 : 16,312,824.90 = 6,412,829.40 : x
  2. Step 2: Convert to fraction form
    10,891,805.40/16,312,824.90 = 6,412,829.40/x
  3. Step 3: Cross multiply
    10,891,805.40x = 16,312,824.90 × 6,412,829.40
  4. Step 4: Simplify right side
    10,891,805.40x = 104,611,363,115,772.06
  5. Step 5: Solve for x
    x = 104,611,363,115,772.06/10,891,805.40
  6. Step 6: Final answer
    x = 9,604,593.48

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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.