Home / 20,017,635.74-30,026,457.71-5,638,835.18

Finding the Fourth Proportional to 20,017,635.74, 30,026,457.71 and 5,638,835.18

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Solution

The fourth proportional to 20,017,635.74, 30,026,457.71 and 5,638,835.18 is: 8,458,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,635.74 : 30,026,457.71 = 5,638,835.18 : x
  2. Step 2: Convert to fraction form
    20,017,635.74/30,026,457.71 = 5,638,835.18/x
  3. Step 3: Cross multiply
    20,017,635.74x = 30,026,457.71 × 5,638,835.18
  4. Step 4: Simplify right side
    20,017,635.74x = 169,314,245,887,603.75
  5. Step 5: Solve for x
    x = 169,314,245,887,603.75/20,017,635.74
  6. Step 6: Final answer
    x = 8,458,253.92

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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.