Home / 10,264,590.42-15,379,883.84-7,217,066.88

Finding the Fourth Proportional to 10,264,590.42, 15,379,883.84 and 7,217,066.88

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Solution

The fourth proportional to 10,264,590.42, 15,379,883.84 and 7,217,066.88 is: 10,813,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264,590.42 : 15,379,883.84 = 7,217,066.88 : x
  2. Step 2: Convert to fraction form
    10,264,590.42/15,379,883.84 = 7,217,066.88/x
  3. Step 3: Cross multiply
    10,264,590.42x = 15,379,883.84 × 7,217,066.88
  4. Step 4: Simplify right side
    10,264,590.42x = 110,997,650,243,825.89
  5. Step 5: Solve for x
    x = 110,997,650,243,825.89/10,264,590.42
  6. Step 6: Final answer
    x = 10,813,646.30

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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.