Home / 15,114,066.77-20,856,625.16-8,586,790.31

Finding the Fourth Proportional to 15,114,066.77, 20,856,625.16 and 8,586,790.31

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Solution

The fourth proportional to 15,114,066.77, 20,856,625.16 and 8,586,790.31 is: 11,849,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114,066.77 : 20,856,625.16 = 8,586,790.31 : x
  2. Step 2: Convert to fraction form
    15,114,066.77/20,856,625.16 = 8,586,790.31/x
  3. Step 3: Cross multiply
    15,114,066.77x = 20,856,625.16 × 8,586,790.31
  4. Step 4: Simplify right side
    15,114,066.77x = 179,091,466,832,397.81
  5. Step 5: Solve for x
    x = 179,091,466,832,397.81/15,114,066.77
  6. Step 6: Final answer
    x = 11,849,323.52

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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.