Home / 19,211,813.12-26,512,511.28-10,509,799.04

Finding the Fourth Proportional to 19,211,813.12, 26,512,511.28 and 10,509,799.04

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Solution

The fourth proportional to 19,211,813.12, 26,512,511.28 and 10,509,799.04 is: 14,503,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,813.12 : 26,512,511.28 = 10,509,799.04 : x
  2. Step 2: Convert to fraction form
    19,211,813.12/26,512,511.28 = 10,509,799.04/x
  3. Step 3: Cross multiply
    19,211,813.12x = 26,512,511.28 × 10,509,799.04
  4. Step 4: Simplify right side
    19,211,813.12x = 278,641,165,598,533.16
  5. Step 5: Solve for x
    x = 278,641,165,598,533.16/19,211,813.12
  6. Step 6: Final answer
    x = 14,503,637.10

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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.