Home / 19,218,019.73-26,520,866.96-10,516,192.09

Finding the Fourth Proportional to 19,218,019.73, 26,520,866.96 and 10,516,192.09

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Solution

The fourth proportional to 19,218,019.73, 26,520,866.96 and 10,516,192.09 is: 14,512,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,019.73 : 26,520,866.96 = 10,516,192.09 : x
  2. Step 2: Convert to fraction form
    19,218,019.73/26,520,866.96 = 10,516,192.09/x
  3. Step 3: Cross multiply
    19,218,019.73x = 26,520,866.96 × 10,516,192.09
  4. Step 4: Simplify right side
    19,218,019.73x = 278,898,531,159,509.06
  5. Step 5: Solve for x
    x = 278,898,531,159,509.06/19,218,019.73
  6. Step 6: Final answer
    x = 14,512,344.93

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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.