Home / 9,687,442-13,369,084.68-5,395,090

Finding the Fourth Proportional to 9,687,442, 13,369,084.68 and 5,395,090

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Solution

The fourth proportional to 9,687,442, 13,369,084.68 and 5,395,090 is: 7,445,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687,442 : 13,369,084.68 = 5,395,090 : x
  2. Step 2: Convert to fraction form
    9,687,442/13,369,084.68 = 5,395,090/x
  3. Step 3: Cross multiply
    9,687,442x = 13,369,084.68 × 5,395,090
  4. Step 4: Simplify right side
    9,687,442x = 72,127,415,066,221.20
  5. Step 5: Solve for x
    x = 72,127,415,066,221.20/9,687,442
  6. Step 6: Final answer
    x = 7,445,455.16

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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.