Home / 19,547,850.40-29,321,775.60-12,335,999.20

Finding the Fourth Proportional to 19,547,850.40, 29,321,775.60 and 12,335,999.20

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Solution

The fourth proportional to 19,547,850.40, 29,321,775.60 and 12,335,999.20 is: 18,503,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547,850.40 : 29,321,775.60 = 12,335,999.20 : x
  2. Step 2: Convert to fraction form
    19,547,850.40/29,321,775.60 = 12,335,999.20/x
  3. Step 3: Cross multiply
    19,547,850.40x = 29,321,775.60 × 12,335,999.20
  4. Step 4: Simplify right side
    19,547,850.40x = 361,713,400,344,179.50
  5. Step 5: Solve for x
    x = 361,713,400,344,179.50/19,547,850.40
  6. Step 6: Final answer
    x = 18,503,998.80

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1.5x scale

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.