Home / 23,130,140.15-31,919,593.40-12,816,863.24

Finding the Fourth Proportional to 23,130,140.15, 31,919,593.40 and 12,816,863.24

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Solution

The fourth proportional to 23,130,140.15, 31,919,593.40 and 12,816,863.24 is: 17,687,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130,140.15 : 31,919,593.40 = 12,816,863.24 : x
  2. Step 2: Convert to fraction form
    23,130,140.15/31,919,593.40 = 12,816,863.24/x
  3. Step 3: Cross multiply
    23,130,140.15x = 31,919,593.40 × 12,816,863.24
  4. Step 4: Simplify right side
    23,130,140.15x = 409,109,063,284,206.62
  5. Step 5: Solve for x
    x = 409,109,063,284,206.62/23,130,140.15
  6. Step 6: Final answer
    x = 17,687,271.27

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.