Home / 19,120,398.48-26,356,271.40-12,998,198.16

Finding the Fourth Proportional to 19,120,398.48, 26,356,271.40 and 12,998,198.16

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Solution

The fourth proportional to 19,120,398.48, 26,356,271.40 and 12,998,198.16 is: 17,917,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,398.48 : 26,356,271.40 = 12,998,198.16 : x
  2. Step 2: Convert to fraction form
    19,120,398.48/26,356,271.40 = 12,998,198.16/x
  3. Step 3: Cross multiply
    19,120,398.48x = 26,356,271.40 × 12,998,198.16
  4. Step 4: Simplify right side
    19,120,398.48x = 342,584,038,415,940.62
  5. Step 5: Solve for x
    x = 342,584,038,415,940.62/19,120,398.48
  6. Step 6: Final answer
    x = 17,917,201.82

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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.