Home / 19,043,785.58-26,288,465.65-12,857,209.07

Finding the Fourth Proportional to 19,043,785.58, 26,288,465.65 and 12,857,209.07

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Solution

The fourth proportional to 19,043,785.58, 26,288,465.65 and 12,857,209.07 is: 17,748,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,785.58 : 26,288,465.65 = 12,857,209.07 : x
  2. Step 2: Convert to fraction form
    19,043,785.58/26,288,465.65 = 12,857,209.07/x
  3. Step 3: Cross multiply
    19,043,785.58x = 26,288,465.65 × 12,857,209.07
  4. Step 4: Simplify right side
    19,043,785.58x = 337,996,298,827,978.06
  5. Step 5: Solve for x
    x = 337,996,298,827,978.06/19,043,785.58
  6. Step 6: Final answer
    x = 17,748,377.68

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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.