Home / 13,702,091.47-18,908,885.69-7,507,373.28

Finding the Fourth Proportional to 13,702,091.47, 18,908,885.69 and 7,507,373.28

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Solution

The fourth proportional to 13,702,091.47, 18,908,885.69 and 7,507,373.28 is: 10,360,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,091.47 : 18,908,885.69 = 7,507,373.28 : x
  2. Step 2: Convert to fraction form
    13,702,091.47/18,908,885.69 = 7,507,373.28/x
  3. Step 3: Cross multiply
    13,702,091.47x = 18,908,885.69 × 7,507,373.28
  4. Step 4: Simplify right side
    13,702,091.47x = 141,956,063,183,680.38
  5. Step 5: Solve for x
    x = 141,956,063,183,680.38/13,702,091.47
  6. Step 6: Final answer
    x = 10,360,174.83

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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.