Home / 15,616,218.72-21,550,158.48-8,646,228.48

Finding the Fourth Proportional to 15,616,218.72, 21,550,158.48 and 8,646,228.48

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Solution

The fourth proportional to 15,616,218.72, 21,550,158.48 and 8,646,228.48 is: 11,931,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616,218.72 : 21,550,158.48 = 8,646,228.48 : x
  2. Step 2: Convert to fraction form
    15,616,218.72/21,550,158.48 = 8,646,228.48/x
  3. Step 3: Cross multiply
    15,616,218.72x = 21,550,158.48 × 8,646,228.48
  4. Step 4: Simplify right side
    15,616,218.72x = 186,327,593,998,289.53
  5. Step 5: Solve for x
    x = 186,327,593,998,289.53/15,616,218.72
  6. Step 6: Final answer
    x = 11,931,671.64

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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.