Home / 10,069,929.40-15,069,464.70-9,219,623.80

Finding the Fourth Proportional to 10,069,929.40, 15,069,464.70 and 9,219,623.80

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Solution

The fourth proportional to 10,069,929.40, 15,069,464.70 and 9,219,623.80 is: 13,796,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069,929.40 : 15,069,464.70 = 9,219,623.80 : x
  2. Step 2: Convert to fraction form
    10,069,929.40/15,069,464.70 = 9,219,623.80/x
  3. Step 3: Cross multiply
    10,069,929.40x = 15,069,464.70 × 9,219,623.80
  4. Step 4: Simplify right side
    10,069,929.40x = 138,934,795,401,379.86
  5. Step 5: Solve for x
    x = 138,934,795,401,379.86/10,069,929.40
  6. Step 6: Final answer
    x = 13,796,997.96

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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.