Home / 12,528,052.60-18,792,078.90-10,985,294.20

Finding the Fourth Proportional to 12,528,052.60, 18,792,078.90 and 10,985,294.20

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Solution

The fourth proportional to 12,528,052.60, 18,792,078.90 and 10,985,294.20 is: 16,477,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,052.60 : 18,792,078.90 = 10,985,294.20 : x
  2. Step 2: Convert to fraction form
    12,528,052.60/18,792,078.90 = 10,985,294.20/x
  3. Step 3: Cross multiply
    12,528,052.60x = 18,792,078.90 × 10,985,294.20
  4. Step 4: Simplify right side
    12,528,052.60x = 206,436,515,346,112.34
  5. Step 5: Solve for x
    x = 206,436,515,346,112.34/12,528,052.60
  6. Step 6: Final answer
    x = 16,477,941.30

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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.