Home / 11,931,578.42-16,465,114.77-7,293,129.82

Finding the Fourth Proportional to 11,931,578.42, 16,465,114.77 and 7,293,129.82

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Solution

The fourth proportional to 11,931,578.42, 16,465,114.77 and 7,293,129.82 is: 10,064,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931,578.42 : 16,465,114.77 = 7,293,129.82 : x
  2. Step 2: Convert to fraction form
    11,931,578.42/16,465,114.77 = 7,293,129.82/x
  3. Step 3: Cross multiply
    11,931,578.42x = 16,465,114.77 × 7,293,129.82
  4. Step 4: Simplify right side
    11,931,578.42x = 120,082,219,518,809.44
  5. Step 5: Solve for x
    x = 120,082,219,518,809.44/11,931,578.42
  6. Step 6: Final answer
    x = 10,064,235.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.