Home / 13,708,146.40-18,917,351.60-7,596,676.32

Finding the Fourth Proportional to 13,708,146.40, 18,917,351.60 and 7,596,676.32

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Solution

The fourth proportional to 13,708,146.40, 18,917,351.60 and 7,596,676.32 is: 10,483,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,146.40 : 18,917,351.60 = 7,596,676.32 : x
  2. Step 2: Convert to fraction form
    13,708,146.40/18,917,351.60 = 7,596,676.32/x
  3. Step 3: Cross multiply
    13,708,146.40x = 18,917,351.60 × 7,596,676.32
  4. Step 4: Simplify right side
    13,708,146.40x = 143,708,996,936,834.12
  5. Step 5: Solve for x
    x = 143,708,996,936,834.12/13,708,146.40
  6. Step 6: Final answer
    x = 10,483,474.04

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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.