Home / 10,943,999.90-16,415,999.85-7,360,819.10

Finding the Fourth Proportional to 10,943,999.90, 16,415,999.85 and 7,360,819.10

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Solution

The fourth proportional to 10,943,999.90, 16,415,999.85 and 7,360,819.10 is: 11,041,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,999.90 : 16,415,999.85 = 7,360,819.10 : x
  2. Step 2: Convert to fraction form
    10,943,999.90/16,415,999.85 = 7,360,819.10/x
  3. Step 3: Cross multiply
    10,943,999.90x = 16,415,999.85 × 7,360,819.10
  4. Step 4: Simplify right side
    10,943,999.90x = 120,835,205,241,477.12
  5. Step 5: Solve for x
    x = 120,835,205,241,477.12/10,943,999.90
  6. Step 6: Final answer
    x = 11,041,228.65

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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.