Home / 19,778,977.80-29,668,466.70-12,126,227.40

Finding the Fourth Proportional to 19,778,977.80, 29,668,466.70 and 12,126,227.40

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Solution

The fourth proportional to 19,778,977.80, 29,668,466.70 and 12,126,227.40 is: 18,189,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,977.80 : 29,668,466.70 = 12,126,227.40 : x
  2. Step 2: Convert to fraction form
    19,778,977.80/29,668,466.70 = 12,126,227.40/x
  3. Step 3: Cross multiply
    19,778,977.80x = 29,668,466.70 × 12,126,227.40
  4. Step 4: Simplify right side
    19,778,977.80x = 359,766,573,813,527.56
  5. Step 5: Solve for x
    x = 359,766,573,813,527.56/19,778,977.80
  6. Step 6: Final answer
    x = 18,189,341.10

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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.