Home / 10,207,369.90-15,311,054.85-9,968,221.45

Finding the Fourth Proportional to 10,207,369.90, 15,311,054.85 and 9,968,221.45

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Solution

The fourth proportional to 10,207,369.90, 15,311,054.85 and 9,968,221.45 is: 14,952,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,369.90 : 15,311,054.85 = 9,968,221.45 : x
  2. Step 2: Convert to fraction form
    10,207,369.90/15,311,054.85 = 9,968,221.45/x
  3. Step 3: Cross multiply
    10,207,369.90x = 15,311,054.85 × 9,968,221.45
  4. Step 4: Simplify right side
    10,207,369.90x = 152,623,985,377,896.53
  5. Step 5: Solve for x
    x = 152,623,985,377,896.53/10,207,369.90
  6. Step 6: Final answer
    x = 14,952,332.18

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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.