Home / 15,280,989.77-21,085,849.78-10,330,202.69

Finding the Fourth Proportional to 15,280,989.77, 21,085,849.78 and 10,330,202.69

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Solution

The fourth proportional to 15,280,989.77, 21,085,849.78 and 10,330,202.69 is: 14,254,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,989.77 : 21,085,849.78 = 10,330,202.69 : x
  2. Step 2: Convert to fraction form
    15,280,989.77/21,085,849.78 = 10,330,202.69/x
  3. Step 3: Cross multiply
    15,280,989.77x = 21,085,849.78 × 10,330,202.69
  4. Step 4: Simplify right side
    15,280,989.77x = 217,821,102,183,509.88
  5. Step 5: Solve for x
    x = 217,821,102,183,509.88/15,280,989.77
  6. Step 6: Final answer
    x = 14,254,384.40

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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.