Home / 19,264,217.40-28,896,326.10-7,912,812.60

Finding the Fourth Proportional to 19,264,217.40, 28,896,326.10 and 7,912,812.60

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Solution

The fourth proportional to 19,264,217.40, 28,896,326.10 and 7,912,812.60 is: 11,869,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264,217.40 : 28,896,326.10 = 7,912,812.60 : x
  2. Step 2: Convert to fraction form
    19,264,217.40/28,896,326.10 = 7,912,812.60/x
  3. Step 3: Cross multiply
    19,264,217.40x = 28,896,326.10 × 7,912,812.60
  4. Step 4: Simplify right side
    19,264,217.40x = 228,651,213,257,788.88
  5. Step 5: Solve for x
    x = 228,651,213,257,788.88/19,264,217.40
  6. Step 6: Final answer
    x = 11,869,218.90

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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.