Home / 21,933,686.96-30,269,434.12-12,144,130.94

Finding the Fourth Proportional to 21,933,686.96, 30,269,434.12 and 12,144,130.94

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Solution

The fourth proportional to 21,933,686.96, 30,269,434.12 and 12,144,130.94 is: 16,759,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,686.96 : 30,269,434.12 = 12,144,130.94 : x
  2. Step 2: Convert to fraction form
    21,933,686.96/30,269,434.12 = 12,144,130.94/x
  3. Step 3: Cross multiply
    21,933,686.96x = 30,269,434.12 × 12,144,130.94
  4. Step 4: Simplify right side
    21,933,686.96x = 367,595,971,478,296.94
  5. Step 5: Solve for x
    x = 367,595,971,478,296.94/21,933,686.96
  6. Step 6: Final answer
    x = 16,759,424.54

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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.