Home / 19,936,929.60-29,905,394.40-9,859,233.60

Finding the Fourth Proportional to 19,936,929.60, 29,905,394.40 and 9,859,233.60

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Solution

The fourth proportional to 19,936,929.60, 29,905,394.40 and 9,859,233.60 is: 14,788,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,929.60 : 29,905,394.40 = 9,859,233.60 : x
  2. Step 2: Convert to fraction form
    19,936,929.60/29,905,394.40 = 9,859,233.60/x
  3. Step 3: Cross multiply
    19,936,929.60x = 29,905,394.40 × 9,859,233.60
  4. Step 4: Simplify right side
    19,936,929.60x = 294,844,269,289,731.81
  5. Step 5: Solve for x
    x = 294,844,269,289,731.81/19,936,929.60
  6. Step 6: Final answer
    x = 14,788,850.40

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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.