Home / 12,898,736.63-17,799,722.85-7,018,395

Finding the Fourth Proportional to 12,898,736.63, 17,799,722.85 and 7,018,395

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Solution

The fourth proportional to 12,898,736.63, 17,799,722.85 and 7,018,395 is: 9,685,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,736.63 : 17,799,722.85 = 7,018,395 : x
  2. Step 2: Convert to fraction form
    12,898,736.63/17,799,722.85 = 7,018,395/x
  3. Step 3: Cross multiply
    12,898,736.63x = 17,799,722.85 × 7,018,395
  4. Step 4: Simplify right side
    12,898,736.63x = 124,925,485,816,733.77
  5. Step 5: Solve for x
    x = 124,925,485,816,733.77/12,898,736.63
  6. Step 6: Final answer
    x = 9,685,094.71

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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.