Home / 19,720,211.60-29,580,317.40-16,696,902.80

Finding the Fourth Proportional to 19,720,211.60, 29,580,317.40 and 16,696,902.80

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Solution

The fourth proportional to 19,720,211.60, 29,580,317.40 and 16,696,902.80 is: 25,045,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,211.60 : 29,580,317.40 = 16,696,902.80 : x
  2. Step 2: Convert to fraction form
    19,720,211.60/29,580,317.40 = 16,696,902.80/x
  3. Step 3: Cross multiply
    19,720,211.60x = 29,580,317.40 × 16,696,902.80
  4. Step 4: Simplify right side
    19,720,211.60x = 493,899,684,420,948.69
  5. Step 5: Solve for x
    x = 493,899,684,420,948.69/19,720,211.60
  6. Step 6: Final answer
    x = 25,045,354.20

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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.