Home / 19,666,089.70-27,139,317.51-10,964,804.02

Finding the Fourth Proportional to 19,666,089.70, 27,139,317.51 and 10,964,804.02

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Solution

The fourth proportional to 19,666,089.70, 27,139,317.51 and 10,964,804.02 is: 15,131,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,089.70 : 27,139,317.51 = 10,964,804.02 : x
  2. Step 2: Convert to fraction form
    19,666,089.70/27,139,317.51 = 10,964,804.02/x
  3. Step 3: Cross multiply
    19,666,089.70x = 27,139,317.51 × 10,964,804.02
  4. Step 4: Simplify right side
    19,666,089.70x = 297,577,297,733,704.38
  5. Step 5: Solve for x
    x = 297,577,297,733,704.38/19,666,089.70
  6. Step 6: Final answer
    x = 15,131,492.95

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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.