Home / 16,638,970.77-25,072,029.36-13,672,782.63

Finding the Fourth Proportional to 16,638,970.77, 25,072,029.36 and 13,672,782.63

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Solution

The fourth proportional to 16,638,970.77, 25,072,029.36 and 13,672,782.63 is: 20,602,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,970.77 : 25,072,029.36 = 13,672,782.63 : x
  2. Step 2: Convert to fraction form
    16,638,970.77/25,072,029.36 = 13,672,782.63/x
  3. Step 3: Cross multiply
    16,638,970.77x = 25,072,029.36 × 13,672,782.63
  4. Step 4: Simplify right side
    16,638,970.77x = 342,804,407,532,258
  5. Step 5: Solve for x
    x = 342,804,407,532,258/16,638,970.77
  6. Step 6: Final answer
    x = 20,602,500.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.