Home / 22,556,989.55-31,127,840.09-12,767,223.48

Finding the Fourth Proportional to 22,556,989.55, 31,127,840.09 and 12,767,223.48

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Solution

The fourth proportional to 22,556,989.55, 31,127,840.09 and 12,767,223.48 is: 17,618,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,989.55 : 31,127,840.09 = 12,767,223.48 : x
  2. Step 2: Convert to fraction form
    22,556,989.55/31,127,840.09 = 12,767,223.48/x
  3. Step 3: Cross multiply
    22,556,989.55x = 31,127,840.09 × 12,767,223.48
  4. Step 4: Simplify right side
    22,556,989.55x = 397,416,090,910,651.38
  5. Step 5: Solve for x
    x = 397,416,090,910,651.38/22,556,989.55
  6. Step 6: Final answer
    x = 17,618,312.50

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1.5x scale

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.