Home / 9,999,918.99-15,000,764.52-2,811,515.45

Finding the Fourth Proportional to 9,999,918.99, 15,000,764.52 and 2,811,515.45

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Solution

The fourth proportional to 9,999,918.99, 15,000,764.52 and 2,811,515.45 is: 4,217,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,918.99 : 15,000,764.52 = 2,811,515.45 : x
  2. Step 2: Convert to fraction form
    9,999,918.99/15,000,764.52 = 2,811,515.45/x
  3. Step 3: Cross multiply
    9,999,918.99x = 15,000,764.52 × 2,811,515.45
  4. Step 4: Simplify right side
    9,999,918.99x = 42,174,881,134,788.01
  5. Step 5: Solve for x
    x = 42,174,881,134,788.01/9,999,918.99
  6. Step 6: Final answer
    x = 4,217,522.28

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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.