Home / 7,919,993-10,929,590.34-4,298,321

Finding the Fourth Proportional to 7,919,993, 10,929,590.34 and 4,298,321

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Solution

The fourth proportional to 7,919,993, 10,929,590.34 and 4,298,321 is: 5,931,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,993 : 10,929,590.34 = 4,298,321 : x
  2. Step 2: Convert to fraction form
    7,919,993/10,929,590.34 = 4,298,321/x
  3. Step 3: Cross multiply
    7,919,993x = 10,929,590.34 × 4,298,321
  4. Step 4: Simplify right side
    7,919,993x = 46,978,887,679,819.14
  5. Step 5: Solve for x
    x = 46,978,887,679,819.14/7,919,993
  6. Step 6: Final answer
    x = 5,931,682.98

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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.