Home / 19,412,013.60-29,118,020.40-9,856,864.80

Finding the Fourth Proportional to 19,412,013.60, 29,118,020.40 and 9,856,864.80

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Solution

The fourth proportional to 19,412,013.60, 29,118,020.40 and 9,856,864.80 is: 14,785,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412,013.60 : 29,118,020.40 = 9,856,864.80 : x
  2. Step 2: Convert to fraction form
    19,412,013.60/29,118,020.40 = 9,856,864.80/x
  3. Step 3: Cross multiply
    19,412,013.60x = 29,118,020.40 × 9,856,864.80
  4. Step 4: Simplify right side
    19,412,013.60x = 287,012,390,326,441.94
  5. Step 5: Solve for x
    x = 287,012,390,326,441.94/19,412,013.60
  6. Step 6: Final answer
    x = 14,785,297.20

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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.