Home / 19,735,090.78-29,604,666.24-7,449,402.56

Finding the Fourth Proportional to 19,735,090.78, 29,604,666.24 and 7,449,402.56

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Solution

The fourth proportional to 19,735,090.78, 29,604,666.24 and 7,449,402.56 is: 11,174,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735,090.78 : 29,604,666.24 = 7,449,402.56 : x
  2. Step 2: Convert to fraction form
    19,735,090.78/29,604,666.24 = 7,449,402.56/x
  3. Step 3: Cross multiply
    19,735,090.78x = 29,604,666.24 × 7,449,402.56
  4. Step 4: Simplify right side
    19,735,090.78x = 220,537,076,476,201.56
  5. Step 5: Solve for x
    x = 220,537,076,476,201.56/19,735,090.78
  6. Step 6: Final answer
    x = 11,174,870.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.