Home / 11,528,978.71-15,910,328.97-6,302,275.72

Finding the Fourth Proportional to 11,528,978.71, 15,910,328.97 and 6,302,275.72

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Solution

The fourth proportional to 11,528,978.71, 15,910,328.97 and 6,302,275.72 is: 8,697,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528,978.71 : 15,910,328.97 = 6,302,275.72 : x
  2. Step 2: Convert to fraction form
    11,528,978.71/15,910,328.97 = 6,302,275.72/x
  3. Step 3: Cross multiply
    11,528,978.71x = 15,910,328.97 × 6,302,275.72
  4. Step 4: Simplify right side
    11,528,978.71x = 100,271,279,964,843.61
  5. Step 5: Solve for x
    x = 100,271,279,964,843.61/11,528,978.71
  6. Step 6: Final answer
    x = 8,697,325.45

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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.