Home / 8,987,496.48-12,401,807.76-5,119,207.20

Finding the Fourth Proportional to 8,987,496.48, 12,401,807.76 and 5,119,207.20

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Solution

The fourth proportional to 8,987,496.48, 12,401,807.76 and 5,119,207.20 is: 7,063,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,496.48 : 12,401,807.76 = 5,119,207.20 : x
  2. Step 2: Convert to fraction form
    8,987,496.48/12,401,807.76 = 5,119,207.20/x
  3. Step 3: Cross multiply
    8,987,496.48x = 12,401,807.76 × 5,119,207.20
  4. Step 4: Simplify right side
    8,987,496.48x = 63,487,423,578,007.88
  5. Step 5: Solve for x
    x = 63,487,423,578,007.88/8,987,496.48
  6. Step 6: Final answer
    x = 7,063,972.01

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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.