Home / 12,640,790.02-17,444,784.27-7,134,355.35

Finding the Fourth Proportional to 12,640,790.02, 17,444,784.27 and 7,134,355.35

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Solution

The fourth proportional to 12,640,790.02, 17,444,784.27 and 7,134,355.35 is: 9,845,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,790.02 : 17,444,784.27 = 7,134,355.35 : x
  2. Step 2: Convert to fraction form
    12,640,790.02/17,444,784.27 = 7,134,355.35/x
  3. Step 3: Cross multiply
    12,640,790.02x = 17,444,784.27 × 7,134,355.35
  4. Step 4: Simplify right side
    12,640,790.02x = 124,457,289,986,270.33
  5. Step 5: Solve for x
    x = 124,457,289,986,270.33/12,640,790.02
  6. Step 6: Final answer
    x = 9,845,689.22

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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.