Home / 26,178,900.79-39,172,689.02-15,401,277.31

Finding the Fourth Proportional to 26,178,900.79, 39,172,689.02 and 15,401,277.31

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Solution

The fourth proportional to 26,178,900.79, 39,172,689.02 and 15,401,277.31 is: 23,045,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178,900.79 : 39,172,689.02 = 15,401,277.31 : x
  2. Step 2: Convert to fraction form
    26,178,900.79/39,172,689.02 = 15,401,277.31/x
  3. Step 3: Cross multiply
    26,178,900.79x = 39,172,689.02 × 15,401,277.31
  4. Step 4: Simplify right side
    26,178,900.79x = 603,309,446,575,412.25
  5. Step 5: Solve for x
    x = 603,309,446,575,412.25/26,178,900.79
  6. Step 6: Final answer
    x = 23,045,637.07

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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.