Home / 39,854,558.40-59,781,837.60-12,928,214.40

Finding the Fourth Proportional to 39,854,558.40, 59,781,837.60 and 12,928,214.40

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Solution

The fourth proportional to 39,854,558.40, 59,781,837.60 and 12,928,214.40 is: 19,392,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854,558.40 : 59,781,837.60 = 12,928,214.40 : x
  2. Step 2: Convert to fraction form
    39,854,558.40/59,781,837.60 = 12,928,214.40/x
  3. Step 3: Cross multiply
    39,854,558.40x = 59,781,837.60 × 12,928,214.40
  4. Step 4: Simplify right side
    39,854,558.40x = 772,872,413,718,781.50
  5. Step 5: Solve for x
    x = 772,872,413,718,781.50/39,854,558.40
  6. Step 6: Final answer
    x = 19,392,321.60

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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.