Home / 22,421,715.90-30,941,967.51-12,108,438.60

Finding the Fourth Proportional to 22,421,715.90, 30,941,967.51 and 12,108,438.60

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Solution

The fourth proportional to 22,421,715.90, 30,941,967.51 and 12,108,438.60 is: 16,709,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,715.90 : 30,941,967.51 = 12,108,438.60 : x
  2. Step 2: Convert to fraction form
    22,421,715.90/30,941,967.51 = 12,108,438.60/x
  3. Step 3: Cross multiply
    22,421,715.90x = 30,941,967.51 × 12,108,438.60
  4. Step 4: Simplify right side
    22,421,715.90x = 374,658,913,758,029.88
  5. Step 5: Solve for x
    x = 374,658,913,758,029.88/22,421,715.90
  6. Step 6: Final answer
    x = 16,709,645.03

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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.