Home / 19,440,110.80-29,160,166.20-11,787,360.40

Finding the Fourth Proportional to 19,440,110.80, 29,160,166.20 and 11,787,360.40

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Solution

The fourth proportional to 19,440,110.80, 29,160,166.20 and 11,787,360.40 is: 17,681,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,110.80 : 29,160,166.20 = 11,787,360.40 : x
  2. Step 2: Convert to fraction form
    19,440,110.80/29,160,166.20 = 11,787,360.40/x
  3. Step 3: Cross multiply
    19,440,110.80x = 29,160,166.20 × 11,787,360.40
  4. Step 4: Simplify right side
    19,440,110.80x = 343,721,388,323,298.50
  5. Step 5: Solve for x
    x = 343,721,388,323,298.50/19,440,110.80
  6. Step 6: Final answer
    x = 17,681,040.60

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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.