Home / 13,031,790.34-17,920,097.74-11,309,921.50

Finding the Fourth Proportional to 13,031,790.34, 17,920,097.74 and 11,309,921.50

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Solution

The fourth proportional to 13,031,790.34, 17,920,097.74 and 11,309,921.50 is: 15,552,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,790.34 : 17,920,097.74 = 11,309,921.50 : x
  2. Step 2: Convert to fraction form
    13,031,790.34/17,920,097.74 = 11,309,921.50/x
  3. Step 3: Cross multiply
    13,031,790.34x = 17,920,097.74 × 11,309,921.50
  4. Step 4: Simplify right side
    13,031,790.34x = 202,674,898,711,727.41
  5. Step 5: Solve for x
    x = 202,674,898,711,727.41/13,031,790.34
  6. Step 6: Final answer
    x = 15,552,344.95

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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.