Home / 12,116,355.48-16,720,618.32-6,609,848.04

Finding the Fourth Proportional to 12,116,355.48, 16,720,618.32 and 6,609,848.04

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Solution

The fourth proportional to 12,116,355.48, 16,720,618.32 and 6,609,848.04 is: 9,121,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,355.48 : 16,720,618.32 = 6,609,848.04 : x
  2. Step 2: Convert to fraction form
    12,116,355.48/16,720,618.32 = 6,609,848.04/x
  3. Step 3: Cross multiply
    12,116,355.48x = 16,720,618.32 × 6,609,848.04
  4. Step 4: Simplify right side
    12,116,355.48x = 110,520,746,230,040.09
  5. Step 5: Solve for x
    x = 110,520,746,230,040.09/12,116,355.48
  6. Step 6: Final answer
    x = 9,121,616.35

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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.