Home / 12,280,303.48-16,940,015.56-8,614,677.64

Finding the Fourth Proportional to 12,280,303.48, 16,940,015.56 and 8,614,677.64

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Solution

The fourth proportional to 12,280,303.48, 16,940,015.56 and 8,614,677.64 is: 11,883,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,303.48 : 16,940,015.56 = 8,614,677.64 : x
  2. Step 2: Convert to fraction form
    12,280,303.48/16,940,015.56 = 8,614,677.64/x
  3. Step 3: Cross multiply
    12,280,303.48x = 16,940,015.56 × 8,614,677.64
  4. Step 4: Simplify right side
    12,280,303.48x = 145,932,773,265,984.06
  5. Step 5: Solve for x
    x = 145,932,773,265,984.06/12,280,303.48
  6. Step 6: Final answer
    x = 11,883,482.64

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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.