Home / 12,220,030.69-16,843,385.86-11,896,573.69

Finding the Fourth Proportional to 12,220,030.69, 16,843,385.86 and 11,896,573.69

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Solution

The fourth proportional to 12,220,030.69, 16,843,385.86 and 11,896,573.69 is: 16,397,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,030.69 : 16,843,385.86 = 11,896,573.69 : x
  2. Step 2: Convert to fraction form
    12,220,030.69/16,843,385.86 = 11,896,573.69/x
  3. Step 3: Cross multiply
    12,220,030.69x = 16,843,385.86 × 11,896,573.69
  4. Step 4: Simplify right side
    12,220,030.69x = 200,378,581,000,744.16
  5. Step 5: Solve for x
    x = 200,378,581,000,744.16/12,220,030.69
  6. Step 6: Final answer
    x = 16,397,551.37

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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.