Home / 19,266,078.40-28,899,117.60-7,914,673.60

Finding the Fourth Proportional to 19,266,078.40, 28,899,117.60 and 7,914,673.60

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Solution

The fourth proportional to 19,266,078.40, 28,899,117.60 and 7,914,673.60 is: 11,872,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266,078.40 : 28,899,117.60 = 7,914,673.60 : x
  2. Step 2: Convert to fraction form
    19,266,078.40/28,899,117.60 = 7,914,673.60/x
  3. Step 3: Cross multiply
    19,266,078.40x = 28,899,117.60 × 7,914,673.60
  4. Step 4: Simplify right side
    19,266,078.40x = 228,727,083,132,015.38
  5. Step 5: Solve for x
    x = 228,727,083,132,015.38/19,266,078.40
  6. Step 6: Final answer
    x = 11,872,010.40

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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.