Home / 10,347,347.80-15,521,021.70-9,339,578.20

Finding the Fourth Proportional to 10,347,347.80, 15,521,021.70 and 9,339,578.20

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Solution

The fourth proportional to 10,347,347.80, 15,521,021.70 and 9,339,578.20 is: 14,009,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,347.80 : 15,521,021.70 = 9,339,578.20 : x
  2. Step 2: Convert to fraction form
    10,347,347.80/15,521,021.70 = 9,339,578.20/x
  3. Step 3: Cross multiply
    10,347,347.80x = 15,521,021.70 × 9,339,578.20
  4. Step 4: Simplify right side
    10,347,347.80x = 144,959,795,911,046.91
  5. Step 5: Solve for x
    x = 144,959,795,911,046.91/10,347,347.80
  6. Step 6: Final answer
    x = 14,009,367.30

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1.5x scale

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.