Home / 21,837,949.20-32,756,923.80-19,381,510.80

Finding the Fourth Proportional to 21,837,949.20, 32,756,923.80 and 19,381,510.80

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Solution

The fourth proportional to 21,837,949.20, 32,756,923.80 and 19,381,510.80 is: 29,072,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,949.20 : 32,756,923.80 = 19,381,510.80 : x
  2. Step 2: Convert to fraction form
    21,837,949.20/32,756,923.80 = 19,381,510.80/x
  3. Step 3: Cross multiply
    21,837,949.20x = 32,756,923.80 × 19,381,510.80
  4. Step 4: Simplify right side
    21,837,949.20x = 634,878,672,404,477.12
  5. Step 5: Solve for x
    x = 634,878,672,404,477.12/21,837,949.20
  6. Step 6: Final answer
    x = 29,072,266.20

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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.