Home / 19,043,787.08-26,288,467.73-12,857,210.57

Finding the Fourth Proportional to 19,043,787.08, 26,288,467.73 and 12,857,210.57

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Solution

The fourth proportional to 19,043,787.08, 26,288,467.73 and 12,857,210.57 is: 17,748,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,787.08 : 26,288,467.73 = 12,857,210.57 : x
  2. Step 2: Convert to fraction form
    19,043,787.08/26,288,467.73 = 12,857,210.57/x
  3. Step 3: Cross multiply
    19,043,787.08x = 26,288,467.73 × 12,857,210.57
  4. Step 4: Simplify right side
    19,043,787.08x = 337,996,364,971,531.50
  5. Step 5: Solve for x
    x = 337,996,364,971,531.50/19,043,787.08
  6. Step 6: Final answer
    x = 17,748,379.75

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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.