Home / 18,898,643.91-26,025,223.19-16,416,731.51

Finding the Fourth Proportional to 18,898,643.91, 26,025,223.19 and 16,416,731.51

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Solution

The fourth proportional to 18,898,643.91, 26,025,223.19 and 16,416,731.51 is: 22,607,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,643.91 : 26,025,223.19 = 16,416,731.51 : x
  2. Step 2: Convert to fraction form
    18,898,643.91/26,025,223.19 = 16,416,731.51/x
  3. Step 3: Cross multiply
    18,898,643.91x = 26,025,223.19 × 16,416,731.51
  4. Step 4: Simplify right side
    18,898,643.91x = 427,249,101,385,845.94
  5. Step 5: Solve for x
    x = 427,249,101,385,845.94/18,898,643.91
  6. Step 6: Final answer
    x = 22,607,394.66

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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.