Home / 19,928,712.60-29,893,068.90-6,465,540.60

Finding the Fourth Proportional to 19,928,712.60, 29,893,068.90 and 6,465,540.60

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Solution

The fourth proportional to 19,928,712.60, 29,893,068.90 and 6,465,540.60 is: 9,698,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,712.60 : 29,893,068.90 = 6,465,540.60 : x
  2. Step 2: Convert to fraction form
    19,928,712.60/29,893,068.90 = 6,465,540.60/x
  3. Step 3: Cross multiply
    19,928,712.60x = 29,893,068.90 × 6,465,540.60
  4. Step 4: Simplify right side
    19,928,712.60x = 193,274,850,631,547.31
  5. Step 5: Solve for x
    x = 193,274,850,631,547.31/19,928,712.60
  6. Step 6: Final answer
    x = 9,698,310.90

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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.