Home / 18,939,505.82-26,136,525.77-10,237,678.40

Finding the Fourth Proportional to 18,939,505.82, 26,136,525.77 and 10,237,678.40

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Solution

The fourth proportional to 18,939,505.82, 26,136,525.77 and 10,237,678.40 is: 14,128,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,505.82 : 26,136,525.77 = 10,237,678.40 : x
  2. Step 2: Convert to fraction form
    18,939,505.82/26,136,525.77 = 10,237,678.40/x
  3. Step 3: Cross multiply
    18,939,505.82x = 26,136,525.77 × 10,237,678.40
  4. Step 4: Simplify right side
    18,939,505.82x = 267,577,345,326,572.38
  5. Step 5: Solve for x
    x = 267,577,345,326,572.38/18,939,505.82
  6. Step 6: Final answer
    x = 14,128,000.37

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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.