Home / 8,304,075.20-12,456,112.80-2,918,806.40

Finding the Fourth Proportional to 8,304,075.20, 12,456,112.80 and 2,918,806.40

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Solution

The fourth proportional to 8,304,075.20, 12,456,112.80 and 2,918,806.40 is: 4,378,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,075.20 : 12,456,112.80 = 2,918,806.40 : x
  2. Step 2: Convert to fraction form
    8,304,075.20/12,456,112.80 = 2,918,806.40/x
  3. Step 3: Cross multiply
    8,304,075.20x = 12,456,112.80 × 2,918,806.40
  4. Step 4: Simplify right side
    8,304,075.20x = 36,356,981,759,761.92
  5. Step 5: Solve for x
    x = 36,356,981,759,761.92/8,304,075.20
  6. Step 6: Final answer
    x = 4,378,209.60

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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.