Home / 12,959,953.50-19,443,079.80-3,984,505.50

Finding the Fourth Proportional to 12,959,953.50, 19,443,079.80 and 3,984,505.50

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Solution

The fourth proportional to 12,959,953.50, 19,443,079.80 and 3,984,505.50 is: 5,977,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,953.50 : 19,443,079.80 = 3,984,505.50 : x
  2. Step 2: Convert to fraction form
    12,959,953.50/19,443,079.80 = 3,984,505.50/x
  3. Step 3: Cross multiply
    12,959,953.50x = 19,443,079.80 × 3,984,505.50
  4. Step 4: Simplify right side
    12,959,953.50x = 77,471,058,400,038.91
  5. Step 5: Solve for x
    x = 77,471,058,400,038.91/12,959,953.50
  6. Step 6: Final answer
    x = 5,977,726.57

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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.