Home / 13,306,429.60-19,959,644.40-4,785,658.90

Finding the Fourth Proportional to 13,306,429.60, 19,959,644.40 and 4,785,658.90

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Solution

The fourth proportional to 13,306,429.60, 19,959,644.40 and 4,785,658.90 is: 7,178,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,429.60 : 19,959,644.40 = 4,785,658.90 : x
  2. Step 2: Convert to fraction form
    13,306,429.60/19,959,644.40 = 4,785,658.90/x
  3. Step 3: Cross multiply
    13,306,429.60x = 19,959,644.40 × 4,785,658.90
  4. Step 4: Simplify right side
    13,306,429.60x = 95,520,049,863,695.16
  5. Step 5: Solve for x
    x = 95,520,049,863,695.16/13,306,429.60
  6. Step 6: Final answer
    x = 7,178,488.35

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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.