Home / 17,286,918.60-25,931,690.10-5,155,435.20

Finding the Fourth Proportional to 17,286,918.60, 25,931,690.10 and 5,155,435.20

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Solution

The fourth proportional to 17,286,918.60, 25,931,690.10 and 5,155,435.20 is: 7,733,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286,918.60 : 25,931,690.10 = 5,155,435.20 : x
  2. Step 2: Convert to fraction form
    17,286,918.60/25,931,690.10 = 5,155,435.20/x
  3. Step 3: Cross multiply
    17,286,918.60x = 25,931,690.10 × 5,155,435.20
  4. Step 4: Simplify right side
    17,286,918.60x = 133,689,147,937,031.53
  5. Step 5: Solve for x
    x = 133,689,147,937,031.53/17,286,918.60
  6. Step 6: Final answer
    x = 7,733,544.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.