Home / 13,328,554.12-19,990,545.02-4,228,623.40

Finding the Fourth Proportional to 13,328,554.12, 19,990,545.02 and 4,228,623.40

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Solution

The fourth proportional to 13,328,554.12, 19,990,545.02 and 4,228,623.40 is: 6,342,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,554.12 : 19,990,545.02 = 4,228,623.40 : x
  2. Step 2: Convert to fraction form
    13,328,554.12/19,990,545.02 = 4,228,623.40/x
  3. Step 3: Cross multiply
    13,328,554.12x = 19,990,545.02 × 4,228,623.40
  4. Step 4: Simplify right side
    13,328,554.12x = 84,532,486,450,325.47
  5. Step 5: Solve for x
    x = 84,532,486,450,325.47/13,328,554.12
  6. Step 6: Final answer
    x = 6,342,209.79

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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.