Home / 13,103,929.32-18,078,095.88-8,695,733.76

Finding the Fourth Proportional to 13,103,929.32, 18,078,095.88 and 8,695,733.76

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Solution

The fourth proportional to 13,103,929.32, 18,078,095.88 and 8,695,733.76 is: 11,996,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,929.32 : 18,078,095.88 = 8,695,733.76 : x
  2. Step 2: Convert to fraction form
    13,103,929.32/18,078,095.88 = 8,695,733.76/x
  3. Step 3: Cross multiply
    13,103,929.32x = 18,078,095.88 × 8,695,733.76
  4. Step 4: Simplify right side
    13,103,929.32x = 157,202,308,660,232.91
  5. Step 5: Solve for x
    x = 157,202,308,660,232.91/13,103,929.32
  6. Step 6: Final answer
    x = 11,996,577.88

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1.5x scale

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.