Home / 10,368,021.20-15,552,031.80-9,738,165.20

Finding the Fourth Proportional to 10,368,021.20, 15,552,031.80 and 9,738,165.20

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Solution

The fourth proportional to 10,368,021.20, 15,552,031.80 and 9,738,165.20 is: 14,607,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,021.20 : 15,552,031.80 = 9,738,165.20 : x
  2. Step 2: Convert to fraction form
    10,368,021.20/15,552,031.80 = 9,738,165.20/x
  3. Step 3: Cross multiply
    10,368,021.20x = 15,552,031.80 × 9,738,165.20
  4. Step 4: Simplify right side
    10,368,021.20x = 151,448,254,864,053.34
  5. Step 5: Solve for x
    x = 151,448,254,864,053.34/10,368,021.20
  6. Step 6: Final answer
    x = 14,607,247.80

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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.