Home / 21,833,999.70-32,750,999.55-19,377,561.30

Finding the Fourth Proportional to 21,833,999.70, 32,750,999.55 and 19,377,561.30

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Solution

The fourth proportional to 21,833,999.70, 32,750,999.55 and 19,377,561.30 is: 29,066,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833,999.70 : 32,750,999.55 = 19,377,561.30 : x
  2. Step 2: Convert to fraction form
    21,833,999.70/32,750,999.55 = 19,377,561.30/x
  3. Step 3: Cross multiply
    21,833,999.70x = 32,750,999.55 × 19,377,561.30
  4. Step 4: Simplify right side
    21,833,999.70x = 634,634,501,416,397.50
  5. Step 5: Solve for x
    x = 634,634,501,416,397.50/21,833,999.70
  6. Step 6: Final answer
    x = 29,066,341.95

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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.