Home / 18,235,365.80-27,353,048.70-10,658,431.40

Finding the Fourth Proportional to 18,235,365.80, 27,353,048.70 and 10,658,431.40

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Solution

The fourth proportional to 18,235,365.80, 27,353,048.70 and 10,658,431.40 is: 15,987,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235,365.80 : 27,353,048.70 = 10,658,431.40 : x
  2. Step 2: Convert to fraction form
    18,235,365.80/27,353,048.70 = 10,658,431.40/x
  3. Step 3: Cross multiply
    18,235,365.80x = 27,353,048.70 × 10,658,431.40
  4. Step 4: Simplify right side
    18,235,365.80x = 291,540,593,149,809.19
  5. Step 5: Solve for x
    x = 291,540,593,149,809.19/18,235,365.80
  6. Step 6: Final answer
    x = 15,987,647.10

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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.