Home / 10,823,421.65-16,223,393.75-5,419,038.47

Finding the Fourth Proportional to 10,823,421.65, 16,223,393.75 and 5,419,038.47

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Solution

The fourth proportional to 10,823,421.65, 16,223,393.75 and 5,419,038.47 is: 8,122,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823,421.65 : 16,223,393.75 = 5,419,038.47 : x
  2. Step 2: Convert to fraction form
    10,823,421.65/16,223,393.75 = 5,419,038.47/x
  3. Step 3: Cross multiply
    10,823,421.65x = 16,223,393.75 × 5,419,038.47
  4. Step 4: Simplify right side
    10,823,421.65x = 87,915,194,736,995.39
  5. Step 5: Solve for x
    x = 87,915,194,736,995.39/10,823,421.65
  6. Step 6: Final answer
    x = 8,122,680.39

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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.