Home / 12,763,142.45-19,144,702.74-4,676,750.95

Finding the Fourth Proportional to 12,763,142.45, 19,144,702.74 and 4,676,750.95

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Solution

The fourth proportional to 12,763,142.45, 19,144,702.74 and 4,676,750.95 is: 7,015,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,142.45 : 19,144,702.74 = 4,676,750.95 : x
  2. Step 2: Convert to fraction form
    12,763,142.45/19,144,702.74 = 4,676,750.95/x
  3. Step 3: Cross multiply
    12,763,142.45x = 19,144,702.74 × 4,676,750.95
  4. Step 4: Simplify right side
    12,763,142.45x = 89,535,006,726,762.59
  5. Step 5: Solve for x
    x = 89,535,006,726,762.59/12,763,142.45
  6. Step 6: Final answer
    x = 7,015,122.42

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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.