Home / 15,615,077.32-21,550,155.06-8,739,460.36

Finding the Fourth Proportional to 15,615,077.32, 21,550,155.06 and 8,739,460.36

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Solution

The fourth proportional to 15,615,077.32, 21,550,155.06 and 8,739,460.36 is: 12,061,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,077.32 : 21,550,155.06 = 8,739,460.36 : x
  2. Step 2: Convert to fraction form
    15,615,077.32/21,550,155.06 = 8,739,460.36/x
  3. Step 3: Cross multiply
    15,615,077.32x = 21,550,155.06 × 8,739,460.36
  4. Step 4: Simplify right side
    15,615,077.32x = 188,336,725,898,723.41
  5. Step 5: Solve for x
    x = 188,336,725,898,723.41/15,615,077.32
  6. Step 6: Final answer
    x = 12,061,209.95

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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.