Home / 21,851,109.22-30,154,526.17-12,061,550.81

Finding the Fourth Proportional to 21,851,109.22, 30,154,526.17 and 12,061,550.81

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Solution

The fourth proportional to 21,851,109.22, 30,154,526.17 and 12,061,550.81 is: 16,644,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,109.22 : 30,154,526.17 = 12,061,550.81 : x
  2. Step 2: Convert to fraction form
    21,851,109.22/30,154,526.17 = 12,061,550.81/x
  3. Step 3: Cross multiply
    21,851,109.22x = 30,154,526.17 × 12,061,550.81
  4. Step 4: Simplify right side
    21,851,109.22x = 363,710,349,519,827.88
  5. Step 5: Solve for x
    x = 363,710,349,519,827.88/21,851,109.22
  6. Step 6: Final answer
    x = 16,644,937.61

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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.