Home / 30,881,762.09-46,321,011.68-10,129,466.64

Finding the Fourth Proportional to 30,881,762.09, 46,321,011.68 and 10,129,466.64

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Solution

The fourth proportional to 30,881,762.09, 46,321,011.68 and 10,129,466.64 is: 15,193,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,762.09 : 46,321,011.68 = 10,129,466.64 : x
  2. Step 2: Convert to fraction form
    30,881,762.09/46,321,011.68 = 10,129,466.64/x
  3. Step 3: Cross multiply
    30,881,762.09x = 46,321,011.68 × 10,129,466.64
  4. Step 4: Simplify right side
    30,881,762.09x = 469,207,142,543,610.38
  5. Step 5: Solve for x
    x = 469,207,142,543,610.38/30,881,762.09
  6. Step 6: Final answer
    x = 15,193,664.83

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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.