Home / 19,186,948.37-26,480,689.16-12,215,398.93

Finding the Fourth Proportional to 19,186,948.37, 26,480,689.16 and 12,215,398.93

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Solution

The fourth proportional to 19,186,948.37, 26,480,689.16 and 12,215,398.93 is: 16,858,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,948.37 : 26,480,689.16 = 12,215,398.93 : x
  2. Step 2: Convert to fraction form
    19,186,948.37/26,480,689.16 = 12,215,398.93/x
  3. Step 3: Cross multiply
    19,186,948.37x = 26,480,689.16 × 12,215,398.93
  4. Step 4: Simplify right side
    19,186,948.37x = 323,472,181,903,447.88
  5. Step 5: Solve for x
    x = 323,472,181,903,447.88/19,186,948.37
  6. Step 6: Final answer
    x = 16,858,969.73

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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.