Home / 21,995,853.63-30,354,608.16-12,206,931.81

Finding the Fourth Proportional to 21,995,853.63, 30,354,608.16 and 12,206,931.81

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Solution

The fourth proportional to 21,995,853.63, 30,354,608.16 and 12,206,931.81 is: 16,845,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995,853.63 : 30,354,608.16 = 12,206,931.81 : x
  2. Step 2: Convert to fraction form
    21,995,853.63/30,354,608.16 = 12,206,931.81/x
  3. Step 3: Cross multiply
    21,995,853.63x = 30,354,608.16 × 12,206,931.81
  4. Step 4: Simplify right side
    21,995,853.63x = 370,536,631,928,389.56
  5. Step 5: Solve for x
    x = 370,536,631,928,389.56/21,995,853.63
  6. Step 6: Final answer
    x = 16,845,749.12

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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.