Home / 18,403,319.80-27,604,979.70-9,333,393.40

Finding the Fourth Proportional to 18,403,319.80, 27,604,979.70 and 9,333,393.40

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Solution

The fourth proportional to 18,403,319.80, 27,604,979.70 and 9,333,393.40 is: 14,000,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,319.80 : 27,604,979.70 = 9,333,393.40 : x
  2. Step 2: Convert to fraction form
    18,403,319.80/27,604,979.70 = 9,333,393.40/x
  3. Step 3: Cross multiply
    18,403,319.80x = 27,604,979.70 × 9,333,393.40
  4. Step 4: Simplify right side
    18,403,319.80x = 257,648,135,339,113.97
  5. Step 5: Solve for x
    x = 257,648,135,339,113.97/18,403,319.80
  6. Step 6: Final answer
    x = 14,000,090.10

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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.