Home / 13,480,702.60-20,221,053.90-3,896,393.80

Finding the Fourth Proportional to 13,480,702.60, 20,221,053.90 and 3,896,393.80

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Solution

The fourth proportional to 13,480,702.60, 20,221,053.90 and 3,896,393.80 is: 5,844,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,702.60 : 20,221,053.90 = 3,896,393.80 : x
  2. Step 2: Convert to fraction form
    13,480,702.60/20,221,053.90 = 3,896,393.80/x
  3. Step 3: Cross multiply
    13,480,702.60x = 20,221,053.90 × 3,896,393.80
  4. Step 4: Simplify right side
    13,480,702.60x = 78,789,189,045,425.81
  5. Step 5: Solve for x
    x = 78,789,189,045,425.81/13,480,702.60
  6. Step 6: Final answer
    x = 5,844,590.70

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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.