Home / 31,117,404.60-46,676,106.90-19,765,999.80

Finding the Fourth Proportional to 31,117,404.60, 46,676,106.90 and 19,765,999.80

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Solution

The fourth proportional to 31,117,404.60, 46,676,106.90 and 19,765,999.80 is: 29,648,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117,404.60 : 46,676,106.90 = 19,765,999.80 : x
  2. Step 2: Convert to fraction form
    31,117,404.60/46,676,106.90 = 19,765,999.80/x
  3. Step 3: Cross multiply
    31,117,404.60x = 46,676,106.90 × 19,765,999.80
  4. Step 4: Simplify right side
    31,117,404.60x = 922,599,919,650,178.62
  5. Step 5: Solve for x
    x = 922,599,919,650,178.62/31,117,404.60
  6. Step 6: Final answer
    x = 29,648,999.70

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1.5x scale

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.