Home / 12,303,914.80-18,455,872.20-9,434,133.40

Finding the Fourth Proportional to 12,303,914.80, 18,455,872.20 and 9,434,133.40

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Solution

The fourth proportional to 12,303,914.80, 18,455,872.20 and 9,434,133.40 is: 14,151,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,914.80 : 18,455,872.20 = 9,434,133.40 : x
  2. Step 2: Convert to fraction form
    12,303,914.80/18,455,872.20 = 9,434,133.40/x
  3. Step 3: Cross multiply
    12,303,914.80x = 18,455,872.20 × 9,434,133.40
  4. Step 4: Simplify right side
    12,303,914.80x = 174,115,160,348,151.47
  5. Step 5: Solve for x
    x = 174,115,160,348,151.47/12,303,914.80
  6. Step 6: Final answer
    x = 14,151,200.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.