Home / 10,705,138-16,054,557.72-3,130,303.12

Finding the Fourth Proportional to 10,705,138, 16,054,557.72 and 3,130,303.12

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Solution

The fourth proportional to 10,705,138, 16,054,557.72 and 3,130,303.12 is: 4,694,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705,138 : 16,054,557.72 = 3,130,303.12 : x
  2. Step 2: Convert to fraction form
    10,705,138/16,054,557.72 = 3,130,303.12/x
  3. Step 3: Cross multiply
    10,705,138x = 16,054,557.72 × 3,130,303.12
  4. Step 4: Simplify right side
    10,705,138x = 50,255,632,121,136.09
  5. Step 5: Solve for x
    x = 50,255,632,121,136.09/10,705,138
  6. Step 6: Final answer
    x = 4,694,533.79

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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.