Home / 7,421,987.40-11,132,981.10-4,436,003.40

Finding the Fourth Proportional to 7,421,987.40, 11,132,981.10 and 4,436,003.40

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Solution

The fourth proportional to 7,421,987.40, 11,132,981.10 and 4,436,003.40 is: 6,654,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,987.40 : 11,132,981.10 = 4,436,003.40 : x
  2. Step 2: Convert to fraction form
    7,421,987.40/11,132,981.10 = 4,436,003.40/x
  3. Step 3: Cross multiply
    7,421,987.40x = 11,132,981.10 × 4,436,003.40
  4. Step 4: Simplify right side
    7,421,987.40x = 49,385,942,011,735.74
  5. Step 5: Solve for x
    x = 49,385,942,011,735.74/7,421,987.40
  6. Step 6: Final answer
    x = 6,654,005.10

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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.