Home / 19,502,804.40-29,257,705.80-8,144,401.20

Finding the Fourth Proportional to 19,502,804.40, 29,257,705.80 and 8,144,401.20

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Solution

The fourth proportional to 19,502,804.40, 29,257,705.80 and 8,144,401.20 is: 12,218,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502,804.40 : 29,257,705.80 = 8,144,401.20 : x
  2. Step 2: Convert to fraction form
    19,502,804.40/29,257,705.80 = 8,144,401.20/x
  3. Step 3: Cross multiply
    19,502,804.40x = 29,257,705.80 × 8,144,401.20
  4. Step 4: Simplify right side
    19,502,804.40x = 238,286,494,226,766.97
  5. Step 5: Solve for x
    x = 238,286,494,226,766.97/19,502,804.40
  6. Step 6: Final answer
    x = 12,218,063.07

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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.