Home / 19,174,555.70-28,737,339.15-7,802,155.70

Finding the Fourth Proportional to 19,174,555.70, 28,737,339.15 and 7,802,155.70

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Solution

The fourth proportional to 19,174,555.70, 28,737,339.15 and 7,802,155.70 is: 11,693,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,555.70 : 28,737,339.15 = 7,802,155.70 : x
  2. Step 2: Convert to fraction form
    19,174,555.70/28,737,339.15 = 7,802,155.70/x
  3. Step 3: Cross multiply
    19,174,555.70x = 28,737,339.15 × 7,802,155.70
  4. Step 4: Simplify right side
    19,174,555.70x = 224,213,194,452,005.66
  5. Step 5: Solve for x
    x = 224,213,194,452,005.66/19,174,555.70
  6. Step 6: Final answer
    x = 11,693,266.74

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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.