Home / 12,444,859.20-18,674,661.60-9,070,574.40

Finding the Fourth Proportional to 12,444,859.20, 18,674,661.60 and 9,070,574.40

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Solution

The fourth proportional to 12,444,859.20, 18,674,661.60 and 9,070,574.40 is: 13,611,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,859.20 : 18,674,661.60 = 9,070,574.40 : x
  2. Step 2: Convert to fraction form
    12,444,859.20/18,674,661.60 = 9,070,574.40/x
  3. Step 3: Cross multiply
    12,444,859.20x = 18,674,661.60 × 9,070,574.40
  4. Step 4: Simplify right side
    12,444,859.20x = 169,389,907,437,623.06
  5. Step 5: Solve for x
    x = 169,389,907,437,623.06/12,444,859.20
  6. Step 6: Final answer
    x = 13,611,235.35

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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.