Home / 19,217,871.36-26,520,998.40-10,516,815.36

Finding the Fourth Proportional to 19,217,871.36, 26,520,998.40 and 10,516,815.36

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Solution

The fourth proportional to 19,217,871.36, 26,520,998.40 and 10,516,815.36 is: 14,513,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217,871.36 : 26,520,998.40 = 10,516,815.36 : x
  2. Step 2: Convert to fraction form
    19,217,871.36/26,520,998.40 = 10,516,815.36/x
  3. Step 3: Cross multiply
    19,217,871.36x = 26,520,998.40 × 10,516,815.36
  4. Step 4: Simplify right side
    19,217,871.36x = 278,916,443,335,655.41
  5. Step 5: Solve for x
    x = 278,916,443,335,655.41/19,217,871.36
  6. Step 6: Final answer
    x = 14,513,389.03

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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.