Home / 19,513,664-26,913,692.64-13,323,689.60

Finding the Fourth Proportional to 19,513,664, 26,913,692.64 and 13,323,689.60

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Solution

The fourth proportional to 19,513,664, 26,913,692.64 and 13,323,689.60 is: 18,376,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513,664 : 26,913,692.64 = 13,323,689.60 : x
  2. Step 2: Convert to fraction form
    19,513,664/26,913,692.64 = 13,323,689.60/x
  3. Step 3: Cross multiply
    19,513,664x = 26,913,692.64 × 13,323,689.60
  4. Step 4: Simplify right side
    19,513,664x = 358,589,686,725,164.56
  5. Step 5: Solve for x
    x = 358,589,686,725,164.56/19,513,664
  6. Step 6: Final answer
    x = 18,376,338.07

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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.