Home / 27,069,079.80-40,603,619.70-19,479,703.80

Finding the Fourth Proportional to 27,069,079.80, 40,603,619.70 and 19,479,703.80

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Solution

The fourth proportional to 27,069,079.80, 40,603,619.70 and 19,479,703.80 is: 29,219,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069,079.80 : 40,603,619.70 = 19,479,703.80 : x
  2. Step 2: Convert to fraction form
    27,069,079.80/40,603,619.70 = 19,479,703.80/x
  3. Step 3: Cross multiply
    27,069,079.80x = 40,603,619.70 × 19,479,703.80
  4. Step 4: Simplify right side
    27,069,079.80x = 790,946,484,963,845
  5. Step 5: Solve for x
    x = 790,946,484,963,845/27,069,079.80
  6. Step 6: Final answer
    x = 29,219,555.70

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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.