Home / 14,777,810.51-20,393,256.76-8,072,148.71

Finding the Fourth Proportional to 14,777,810.51, 20,393,256.76 and 8,072,148.71

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Solution

The fourth proportional to 14,777,810.51, 20,393,256.76 and 8,072,148.71 is: 11,139,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777,810.51 : 20,393,256.76 = 8,072,148.71 : x
  2. Step 2: Convert to fraction form
    14,777,810.51/20,393,256.76 = 8,072,148.71/x
  3. Step 3: Cross multiply
    14,777,810.51x = 20,393,256.76 × 8,072,148.71
  4. Step 4: Simplify right side
    14,777,810.51x = 164,617,401,278,735.56
  5. Step 5: Solve for x
    x = 164,617,401,278,735.56/14,777,810.51
  6. Step 6: Final answer
    x = 11,139,498.72

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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.