Home / 8,903,555.40-13,355,721.90-2,919,923.40

Finding the Fourth Proportional to 8,903,555.40, 13,355,721.90 and 2,919,923.40

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Solution

The fourth proportional to 8,903,555.40, 13,355,721.90 and 2,919,923.40 is: 4,380,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903,555.40 : 13,355,721.90 = 2,919,923.40 : x
  2. Step 2: Convert to fraction form
    8,903,555.40/13,355,721.90 = 2,919,923.40/x
  3. Step 3: Cross multiply
    8,903,555.40x = 13,355,721.90 × 2,919,923.40
  4. Step 4: Simplify right side
    8,903,555.40x = 38,997,684,899,702.46
  5. Step 5: Solve for x
    x = 38,997,684,899,702.46/8,903,555.40
  6. Step 6: Final answer
    x = 4,380,012.61

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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.