Home / 14,093,318.40-21,140,668.80-7,374,854.40

Finding the Fourth Proportional to 14,093,318.40, 21,140,668.80 and 7,374,854.40

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Solution

The fourth proportional to 14,093,318.40, 21,140,668.80 and 7,374,854.40 is: 11,062,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093,318.40 : 21,140,668.80 = 7,374,854.40 : x
  2. Step 2: Convert to fraction form
    14,093,318.40/21,140,668.80 = 7,374,854.40/x
  3. Step 3: Cross multiply
    14,093,318.40x = 21,140,668.80 × 7,374,854.40
  4. Step 4: Simplify right side
    14,093,318.40x = 155,909,354,318,622.72
  5. Step 5: Solve for x
    x = 155,909,354,318,622.72/14,093,318.40
  6. Step 6: Final answer
    x = 11,062,643.30

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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.