Home / 19,971,258.40-29,956,887.60-13,168,813.60

Finding the Fourth Proportional to 19,971,258.40, 29,956,887.60 and 13,168,813.60

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Solution

The fourth proportional to 19,971,258.40, 29,956,887.60 and 13,168,813.60 is: 19,753,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971,258.40 : 29,956,887.60 = 13,168,813.60 : x
  2. Step 2: Convert to fraction form
    19,971,258.40/29,956,887.60 = 13,168,813.60/x
  3. Step 3: Cross multiply
    19,971,258.40x = 29,956,887.60 × 13,168,813.60
  4. Step 4: Simplify right side
    19,971,258.40x = 394,496,668,840,551.38
  5. Step 5: Solve for x
    x = 394,496,668,840,551.38/19,971,258.40
  6. Step 6: Final answer
    x = 19,753,220.40

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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.