Home / 11,909,129.70-16,438,299.45-9,466,075.74

Finding the Fourth Proportional to 11,909,129.70, 16,438,299.45 and 9,466,075.74

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Solution

The fourth proportional to 11,909,129.70, 16,438,299.45 and 9,466,075.74 is: 13,066,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,129.70 : 16,438,299.45 = 9,466,075.74 : x
  2. Step 2: Convert to fraction form
    11,909,129.70/16,438,299.45 = 9,466,075.74/x
  3. Step 3: Cross multiply
    11,909,129.70x = 16,438,299.45 × 9,466,075.74
  4. Step 4: Simplify right side
    11,909,129.70x = 155,606,187,630,500.34
  5. Step 5: Solve for x
    x = 155,606,187,630,500.34/11,909,129.70
  6. Step 6: Final answer
    x = 13,066,125.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.