Home / 19,043,784.45-26,288,464.10-12,857,207.94

Finding the Fourth Proportional to 19,043,784.45, 26,288,464.10 and 12,857,207.94

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Solution

The fourth proportional to 19,043,784.45, 26,288,464.10 and 12,857,207.94 is: 17,748,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,784.45 : 26,288,464.10 = 12,857,207.94 : x
  2. Step 2: Convert to fraction form
    19,043,784.45/26,288,464.10 = 12,857,207.94/x
  3. Step 3: Cross multiply
    19,043,784.45x = 26,288,464.10 × 12,857,207.94
  4. Step 4: Simplify right side
    19,043,784.45x = 337,996,249,292,638.88
  5. Step 5: Solve for x
    x = 337,996,249,292,638.88/19,043,784.45
  6. Step 6: Final answer
    x = 17,748,376.13

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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.