Home / 28,470,460.70-42,706,872.11-8,275,702.70

Finding the Fourth Proportional to 28,470,460.70, 42,706,872.11 and 8,275,702.70

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Solution

The fourth proportional to 28,470,460.70, 42,706,872.11 and 8,275,702.70 is: 12,413,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470,460.70 : 42,706,872.11 = 8,275,702.70 : x
  2. Step 2: Convert to fraction form
    28,470,460.70/42,706,872.11 = 8,275,702.70/x
  3. Step 3: Cross multiply
    28,470,460.70x = 42,706,872.11 × 8,275,702.70
  4. Step 4: Simplify right side
    28,470,460.70x = 353,429,376,829,281.69
  5. Step 5: Solve for x
    x = 353,429,376,829,281.69/28,470,460.70
  6. Step 6: Final answer
    x = 12,413,897.36

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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.