Home / 21,933,743.10-30,269,511.10-12,144,186.78

Finding the Fourth Proportional to 21,933,743.10, 30,269,511.10 and 12,144,186.78

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Solution

The fourth proportional to 21,933,743.10, 30,269,511.10 and 12,144,186.78 is: 16,759,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,743.10 : 30,269,511.10 = 12,144,186.78 : x
  2. Step 2: Convert to fraction form
    21,933,743.10/30,269,511.10 = 12,144,186.78/x
  3. Step 3: Cross multiply
    21,933,743.10x = 30,269,511.10 × 12,144,186.78
  4. Step 4: Simplify right side
    21,933,743.10x = 367,598,596,537,683.25
  5. Step 5: Solve for x
    x = 367,598,596,537,683.25/21,933,743.10
  6. Step 6: Final answer
    x = 16,759,501.32

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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.