Home / 13,206,645.20-19,809,967.80-9,592,846.40

Finding the Fourth Proportional to 13,206,645.20, 19,809,967.80 and 9,592,846.40

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Solution

The fourth proportional to 13,206,645.20, 19,809,967.80 and 9,592,846.40 is: 14,389,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,645.20 : 19,809,967.80 = 9,592,846.40 : x
  2. Step 2: Convert to fraction form
    13,206,645.20/19,809,967.80 = 9,592,846.40/x
  3. Step 3: Cross multiply
    13,206,645.20x = 19,809,967.80 × 9,592,846.40
  4. Step 4: Simplify right side
    13,206,645.20x = 190,033,978,294,345.94
  5. Step 5: Solve for x
    x = 190,033,978,294,345.94/13,206,645.20
  6. Step 6: Final answer
    x = 14,389,269.60

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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.