Home / 19,309,497.66-28,920,156.57-9,219,204.54

Finding the Fourth Proportional to 19,309,497.66, 28,920,156.57 and 9,219,204.54

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Solution

The fourth proportional to 19,309,497.66, 28,920,156.57 and 9,219,204.54 is: 13,807,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,497.66 : 28,920,156.57 = 9,219,204.54 : x
  2. Step 2: Convert to fraction form
    19,309,497.66/28,920,156.57 = 9,219,204.54/x
  3. Step 3: Cross multiply
    19,309,497.66x = 28,920,156.57 × 9,219,204.54
  4. Step 4: Simplify right side
    19,309,497.66x = 266,620,838,747,654.81
  5. Step 5: Solve for x
    x = 266,620,838,747,654.81/19,309,497.66
  6. Step 6: Final answer
    x = 13,807,756.34

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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.