Home / 23,130,172.96-31,919,638.90-12,816,896.04

Finding the Fourth Proportional to 23,130,172.96, 31,919,638.90 and 12,816,896.04

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Solution

The fourth proportional to 23,130,172.96, 31,919,638.90 and 12,816,896.04 is: 17,687,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130,172.96 : 31,919,638.90 = 12,816,896.04 : x
  2. Step 2: Convert to fraction form
    23,130,172.96/31,919,638.90 = 12,816,896.04/x
  3. Step 3: Cross multiply
    23,130,172.96x = 31,919,638.90 × 12,816,896.04
  4. Step 4: Simplify right side
    23,130,172.96x = 409,110,693,415,639.94
  5. Step 5: Solve for x
    x = 409,110,693,415,639.94/23,130,172.96
  6. Step 6: Final answer
    x = 17,687,316.65

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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.