Home / 19,306,001.90-28,958,560.05-9,718,805.90

Finding the Fourth Proportional to 19,306,001.90, 28,958,560.05 and 9,718,805.90

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Solution

The fourth proportional to 19,306,001.90, 28,958,560.05 and 9,718,805.90 is: 14,577,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,001.90 : 28,958,560.05 = 9,718,805.90 : x
  2. Step 2: Convert to fraction form
    19,306,001.90/28,958,560.05 = 9,718,805.90/x
  3. Step 3: Cross multiply
    19,306,001.90x = 28,958,560.05 × 9,718,805.90
  4. Step 4: Simplify right side
    19,306,001.90x = 281,442,624,269,444.31
  5. Step 5: Solve for x
    x = 281,442,624,269,444.31/19,306,001.90
  6. Step 6: Final answer
    x = 14,577,985.94

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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.