Home / 19,137,746.40-28,706,619.60-18,391,250.40

Finding the Fourth Proportional to 19,137,746.40, 28,706,619.60 and 18,391,250.40

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Solution

The fourth proportional to 19,137,746.40, 28,706,619.60 and 18,391,250.40 is: 27,586,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137,746.40 : 28,706,619.60 = 18,391,250.40 : x
  2. Step 2: Convert to fraction form
    19,137,746.40/28,706,619.60 = 18,391,250.40/x
  3. Step 3: Cross multiply
    19,137,746.40x = 28,706,619.60 × 18,391,250.40
  4. Step 4: Simplify right side
    19,137,746.40x = 527,950,629,201,147.81
  5. Step 5: Solve for x
    x = 527,950,629,201,147.81/19,137,746.40
  6. Step 6: Final answer
    x = 27,586,875.60

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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.