Home / 19,470,898-29,146,559.28-12,248,615.80

Finding the Fourth Proportional to 19,470,898, 29,146,559.28 and 12,248,615.80

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Solution

The fourth proportional to 19,470,898, 29,146,559.28 and 12,248,615.80 is: 18,335,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470,898 : 29,146,559.28 = 12,248,615.80 : x
  2. Step 2: Convert to fraction form
    19,470,898/29,146,559.28 = 12,248,615.80/x
  3. Step 3: Cross multiply
    19,470,898x = 29,146,559.28 × 12,248,615.80
  4. Step 4: Simplify right side
    19,470,898x = 357,005,006,512,644.69
  5. Step 5: Solve for x
    x = 357,005,006,512,644.69/19,470,898
  6. Step 6: Final answer
    x = 18,335,312.86

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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.