Home / 11,348,562.50-15,642,721.38-7,676,139.80

Finding the Fourth Proportional to 11,348,562.50, 15,642,721.38 and 7,676,139.80

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Solution

The fourth proportional to 11,348,562.50, 15,642,721.38 and 7,676,139.80 is: 10,580,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348,562.50 : 15,642,721.38 = 7,676,139.80 : x
  2. Step 2: Convert to fraction form
    11,348,562.50/15,642,721.38 = 7,676,139.80/x
  3. Step 3: Cross multiply
    11,348,562.50x = 15,642,721.38 × 7,676,139.80
  4. Step 4: Simplify right side
    11,348,562.50x = 120,075,716,165,328.92
  5. Step 5: Solve for x
    x = 120,075,716,165,328.92/11,348,562.50
  6. Step 6: Final answer
    x = 10,580,698.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.