Home / 12,528,098.35-18,792,147.53-11,781,602.35

Finding the Fourth Proportional to 12,528,098.35, 18,792,147.53 and 11,781,602.35

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Solution

The fourth proportional to 12,528,098.35, 18,792,147.53 and 11,781,602.35 is: 17,672,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,098.35 : 18,792,147.53 = 11,781,602.35 : x
  2. Step 2: Convert to fraction form
    12,528,098.35/18,792,147.53 = 11,781,602.35/x
  3. Step 3: Cross multiply
    12,528,098.35x = 18,792,147.53 × 11,781,602.35
  4. Step 4: Simplify right side
    12,528,098.35x = 221,401,609,500,994.69
  5. Step 5: Solve for x
    x = 221,401,609,500,994.69/12,528,098.35
  6. Step 6: Final answer
    x = 17,672,403.53

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1.5x scale

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.