Home / 19,303,127.85-28,959,592.76-8,935,821.11

Finding the Fourth Proportional to 19,303,127.85, 28,959,592.76 and 8,935,821.11

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Solution

The fourth proportional to 19,303,127.85, 28,959,592.76 and 8,935,821.11 is: 13,406,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,127.85 : 28,959,592.76 = 8,935,821.11 : x
  2. Step 2: Convert to fraction form
    19,303,127.85/28,959,592.76 = 8,935,821.11/x
  3. Step 3: Cross multiply
    19,303,127.85x = 28,959,592.76 × 8,935,821.11
  4. Step 4: Simplify right side
    19,303,127.85x = 258,777,740,321,811.16
  5. Step 5: Solve for x
    x = 258,777,740,321,811.16/19,303,127.85
  6. Step 6: Final answer
    x = 13,406,000.43

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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.