Home / 19,008,005.40-28,512,008.10-6,229,801.80

Finding the Fourth Proportional to 19,008,005.40, 28,512,008.10 and 6,229,801.80

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Solution

The fourth proportional to 19,008,005.40, 28,512,008.10 and 6,229,801.80 is: 9,344,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,005.40 : 28,512,008.10 = 6,229,801.80 : x
  2. Step 2: Convert to fraction form
    19,008,005.40/28,512,008.10 = 6,229,801.80/x
  3. Step 3: Cross multiply
    19,008,005.40x = 28,512,008.10 × 6,229,801.80
  4. Step 4: Simplify right side
    19,008,005.40x = 177,624,159,382,994.59
  5. Step 5: Solve for x
    x = 177,624,159,382,994.59/19,008,005.40
  6. Step 6: Final answer
    x = 9,344,702.70

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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.