Home / 12,258,509.09-16,916,857.02-6,751,903.77

Finding the Fourth Proportional to 12,258,509.09, 16,916,857.02 and 6,751,903.77

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Solution

The fourth proportional to 12,258,509.09, 16,916,857.02 and 6,751,903.77 is: 9,317,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,509.09 : 16,916,857.02 = 6,751,903.77 : x
  2. Step 2: Convert to fraction form
    12,258,509.09/16,916,857.02 = 6,751,903.77/x
  3. Step 3: Cross multiply
    12,258,509.09x = 16,916,857.02 × 6,751,903.77
  4. Step 4: Simplify right side
    12,258,509.09x = 114,220,990,689,888.95
  5. Step 5: Solve for x
    x = 114,220,990,689,888.95/12,258,509.09
  6. Step 6: Final answer
    x = 9,317,690.26

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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.