Home / 12,616,341.37-18,924,510.03-3,031,719.91

Finding the Fourth Proportional to 12,616,341.37, 18,924,510.03 and 3,031,719.91

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Solution

The fourth proportional to 12,616,341.37, 18,924,510.03 and 3,031,719.91 is: 4,547,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,341.37 : 18,924,510.03 = 3,031,719.91 : x
  2. Step 2: Convert to fraction form
    12,616,341.37/18,924,510.03 = 3,031,719.91/x
  3. Step 3: Cross multiply
    12,616,341.37x = 18,924,510.03 × 3,031,719.91
  4. Step 4: Simplify right side
    12,616,341.37x = 57,373,813,844,945.70
  5. Step 5: Solve for x
    x = 57,373,813,844,945.70/12,616,341.37
  6. Step 6: Final answer
    x = 4,547,579.38

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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.