Home / 9,480,303.50-13,082,818.61-5,129,389.80

Finding the Fourth Proportional to 9,480,303.50, 13,082,818.61 and 5,129,389.80

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Solution

The fourth proportional to 9,480,303.50, 13,082,818.61 and 5,129,389.80 is: 7,078,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480,303.50 : 13,082,818.61 = 5,129,389.80 : x
  2. Step 2: Convert to fraction form
    9,480,303.50/13,082,818.61 = 5,129,389.80/x
  3. Step 3: Cross multiply
    9,480,303.50x = 13,082,818.61 × 5,129,389.80
  4. Step 4: Simplify right side
    9,480,303.50x = 67,106,876,346,207.66
  5. Step 5: Solve for x
    x = 67,106,876,346,207.66/9,480,303.50
  6. Step 6: Final answer
    x = 7,078,557.81

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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.