Home / 20,896,762.56-31,347,636.72-10,106,309.64

Finding the Fourth Proportional to 20,896,762.56, 31,347,636.72 and 10,106,309.64

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Solution

The fourth proportional to 20,896,762.56, 31,347,636.72 and 10,106,309.64 is: 15,160,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,762.56 : 31,347,636.72 = 10,106,309.64 : x
  2. Step 2: Convert to fraction form
    20,896,762.56/31,347,636.72 = 10,106,309.64/x
  3. Step 3: Cross multiply
    20,896,762.56x = 31,347,636.72 × 10,106,309.64
  4. Step 4: Simplify right side
    20,896,762.56x = 316,808,923,174,554
  5. Step 5: Solve for x
    x = 316,808,923,174,554/20,896,762.56
  6. Step 6: Final answer
    x = 15,160,670.09

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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.