Home / 19,005,338.45-26,249,018.30-12,883,138.13

Finding the Fourth Proportional to 19,005,338.45, 26,249,018.30 and 12,883,138.13

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Solution

The fourth proportional to 19,005,338.45, 26,249,018.30 and 12,883,138.13 is: 17,793,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005,338.45 : 26,249,018.30 = 12,883,138.13 : x
  2. Step 2: Convert to fraction form
    19,005,338.45/26,249,018.30 = 12,883,138.13/x
  3. Step 3: Cross multiply
    19,005,338.45x = 26,249,018.30 × 12,883,138.13
  4. Step 4: Simplify right side
    19,005,338.45x = 338,169,728,340,137
  5. Step 5: Solve for x
    x = 338,169,728,340,137/19,005,338.45
  6. Step 6: Final answer
    x = 17,793,407.33

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1.5x scale

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.