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Finding the Fourth Proportional to 19,409,404.40, 29,114,106.60 and 14,930,428.40

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Solution

The fourth proportional to 19,409,404.40, 29,114,106.60 and 14,930,428.40 is: 22,395,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409,404.40 : 29,114,106.60 = 14,930,428.40 : x
  2. Step 2: Convert to fraction form
    19,409,404.40/29,114,106.60 = 14,930,428.40/x
  3. Step 3: Cross multiply
    19,409,404.40x = 29,114,106.60 × 14,930,428.40
  4. Step 4: Simplify right side
    19,409,404.40x = 434,686,084,021,267.50
  5. Step 5: Solve for x
    x = 434,686,084,021,267.50/19,409,404.40
  6. Step 6: Final answer
    x = 22,395,642.60

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Similar ratio
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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.