Home / 8,709,143.90-12,019,028.67-4,841,729.64

Finding the Fourth Proportional to 8,709,143.90, 12,019,028.67 and 4,841,729.64

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Solution

The fourth proportional to 8,709,143.90, 12,019,028.67 and 4,841,729.64 is: 6,681,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,143.90 : 12,019,028.67 = 4,841,729.64 : x
  2. Step 2: Convert to fraction form
    8,709,143.90/12,019,028.67 = 4,841,729.64/x
  3. Step 3: Cross multiply
    8,709,143.90x = 12,019,028.67 × 4,841,729.64
  4. Step 4: Simplify right side
    8,709,143.90x = 58,192,887,355,548.77
  5. Step 5: Solve for x
    x = 58,192,887,355,548.77/8,709,143.90
  6. Step 6: Final answer
    x = 6,681,814.89

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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.