Home / 19,303,129.85-28,959,595.76-8,935,823.11

Finding the Fourth Proportional to 19,303,129.85, 28,959,595.76 and 8,935,823.11

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Solution

The fourth proportional to 19,303,129.85, 28,959,595.76 and 8,935,823.11 is: 13,406,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,129.85 : 28,959,595.76 = 8,935,823.11 : x
  2. Step 2: Convert to fraction form
    19,303,129.85/28,959,595.76 = 8,935,823.11/x
  3. Step 3: Cross multiply
    19,303,129.85x = 28,959,595.76 × 8,935,823.11
  4. Step 4: Simplify right side
    19,303,129.85x = 258,777,825,048,466
  5. Step 5: Solve for x
    x = 258,777,825,048,466/19,303,129.85
  6. Step 6: Final answer
    x = 13,406,003.43

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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.