Home / 7,857,401.76-11,786,248.44-2,465,931.60

Finding the Fourth Proportional to 7,857,401.76, 11,786,248.44 and 2,465,931.60

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Solution

The fourth proportional to 7,857,401.76, 11,786,248.44 and 2,465,931.60 is: 3,698,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,401.76 : 11,786,248.44 = 2,465,931.60 : x
  2. Step 2: Convert to fraction form
    7,857,401.76/11,786,248.44 = 2,465,931.60/x
  3. Step 3: Cross multiply
    7,857,401.76x = 11,786,248.44 × 2,465,931.60
  4. Step 4: Simplify right side
    7,857,401.76x = 29,064,082,473,646.70
  5. Step 5: Solve for x
    x = 29,064,082,473,646.70/7,857,401.76
  6. Step 6: Final answer
    x = 3,698,943.16

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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.