Home / 30,868,681.68-46,320,958.80-13,829,354.73

Finding the Fourth Proportional to 30,868,681.68, 46,320,958.80 and 13,829,354.73

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Solution

The fourth proportional to 30,868,681.68, 46,320,958.80 and 13,829,354.73 is: 20,752,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868,681.68 : 46,320,958.80 = 13,829,354.73 : x
  2. Step 2: Convert to fraction form
    30,868,681.68/46,320,958.80 = 13,829,354.73/x
  3. Step 3: Cross multiply
    30,868,681.68x = 46,320,958.80 × 13,829,354.73
  4. Step 4: Simplify right side
    30,868,681.68x = 640,588,970,678,915.12
  5. Step 5: Solve for x
    x = 640,588,970,678,915.12/30,868,681.68
  6. Step 6: Final answer
    x = 20,752,067.66

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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.