Home / 19,944,489.40-29,931,479.70-7,985,807.80

Finding the Fourth Proportional to 19,944,489.40, 29,931,479.70 and 7,985,807.80

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Solution

The fourth proportional to 19,944,489.40, 29,931,479.70 and 7,985,807.80 is: 11,984,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944,489.40 : 29,931,479.70 = 7,985,807.80 : x
  2. Step 2: Convert to fraction form
    19,944,489.40/29,931,479.70 = 7,985,807.80/x
  3. Step 3: Cross multiply
    19,944,489.40x = 29,931,479.70 × 7,985,807.80
  4. Step 4: Simplify right side
    19,944,489.40x = 239,027,044,053,801.66
  5. Step 5: Solve for x
    x = 239,027,044,053,801.66/19,944,489.40
  6. Step 6: Final answer
    x = 11,984,615.86

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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.