Home / 10,943,075.20-16,389,729.60-6,911,996.80

Finding the Fourth Proportional to 10,943,075.20, 16,389,729.60 and 6,911,996.80

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Solution

The fourth proportional to 10,943,075.20, 16,389,729.60 and 6,911,996.80 is: 10,352,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,075.20 : 16,389,729.60 = 6,911,996.80 : x
  2. Step 2: Convert to fraction form
    10,943,075.20/16,389,729.60 = 6,911,996.80/x
  3. Step 3: Cross multiply
    10,943,075.20x = 16,389,729.60 × 6,911,996.80
  4. Step 4: Simplify right side
    10,943,075.20x = 113,285,758,548,065.28
  5. Step 5: Solve for x
    x = 113,285,758,548,065.28/10,943,075.20
  6. Step 6: Final answer
    x = 10,352,278.17

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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.