Home / 16,862,774-23,273,780.64-9,619,430

Finding the Fourth Proportional to 16,862,774, 23,273,780.64 and 9,619,430

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Solution

The fourth proportional to 16,862,774, 23,273,780.64 and 9,619,430 is: 13,276,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862,774 : 23,273,780.64 = 9,619,430 : x
  2. Step 2: Convert to fraction form
    16,862,774/23,273,780.64 = 9,619,430/x
  3. Step 3: Cross multiply
    16,862,774x = 23,273,780.64 × 9,619,430
  4. Step 4: Simplify right side
    16,862,774x = 223,880,503,701,835.22
  5. Step 5: Solve for x
    x = 223,880,503,701,835.22/16,862,774
  6. Step 6: Final answer
    x = 13,276,611.77

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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.