Home / 19,520,986.50-29,299,042.24-10,430,854.31

Finding the Fourth Proportional to 19,520,986.50, 29,299,042.24 and 10,430,854.31

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Solution

The fourth proportional to 19,520,986.50, 29,299,042.24 and 10,430,854.31 is: 15,655,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520,986.50 : 29,299,042.24 = 10,430,854.31 : x
  2. Step 2: Convert to fraction form
    19,520,986.50/29,299,042.24 = 10,430,854.31/x
  3. Step 3: Cross multiply
    19,520,986.50x = 29,299,042.24 × 10,430,854.31
  4. Step 4: Simplify right side
    19,520,986.50x = 305,614,041,075,146.56
  5. Step 5: Solve for x
    x = 305,614,041,075,146.56/19,520,986.50
  6. Step 6: Final answer
    x = 15,655,665.82

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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.