Home / 12,457,534.40-18,686,301.60-11,701,707.20

Finding the Fourth Proportional to 12,457,534.40, 18,686,301.60 and 11,701,707.20

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Solution

The fourth proportional to 12,457,534.40, 18,686,301.60 and 11,701,707.20 is: 17,552,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,534.40 : 18,686,301.60 = 11,701,707.20 : x
  2. Step 2: Convert to fraction form
    12,457,534.40/18,686,301.60 = 11,701,707.20/x
  3. Step 3: Cross multiply
    12,457,534.40x = 18,686,301.60 × 11,701,707.20
  4. Step 4: Simplify right side
    12,457,534.40x = 218,661,629,974,091.53
  5. Step 5: Solve for x
    x = 218,661,629,974,091.53/12,457,534.40
  6. Step 6: Final answer
    x = 17,552,560.80

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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.