Home / 12,823,256.40-17,695,562.37-7,021,938.18

Finding the Fourth Proportional to 12,823,256.40, 17,695,562.37 and 7,021,938.18

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Solution

The fourth proportional to 12,823,256.40, 17,695,562.37 and 7,021,938.18 is: 9,689,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,256.40 : 17,695,562.37 = 7,021,938.18 : x
  2. Step 2: Convert to fraction form
    12,823,256.40/17,695,562.37 = 7,021,938.18/x
  3. Step 3: Cross multiply
    12,823,256.40x = 17,695,562.37 × 7,021,938.18
  4. Step 4: Simplify right side
    12,823,256.40x = 124,257,145,022,474.28
  5. Step 5: Solve for x
    x = 124,257,145,022,474.28/12,823,256.40
  6. Step 6: Final answer
    x = 9,689,983.66

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1.5x scale

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.