Home / 25,974,686.40-38,962,029.60-21,754,651.20

Finding the Fourth Proportional to 25,974,686.40, 38,962,029.60 and 21,754,651.20

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Solution

The fourth proportional to 25,974,686.40, 38,962,029.60 and 21,754,651.20 is: 32,631,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974,686.40 : 38,962,029.60 = 21,754,651.20 : x
  2. Step 2: Convert to fraction form
    25,974,686.40/38,962,029.60 = 21,754,651.20/x
  3. Step 3: Cross multiply
    25,974,686.40x = 38,962,029.60 × 21,754,651.20
  4. Step 4: Simplify right side
    25,974,686.40x = 847,605,363,992,075.50
  5. Step 5: Solve for x
    x = 847,605,363,992,075.50/25,974,686.40
  6. Step 6: Final answer
    x = 32,631,976.80

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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.