Home / 17,620,221.40-26,430,332.10-12,837,252.40

Finding the Fourth Proportional to 17,620,221.40, 26,430,332.10 and 12,837,252.40

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Solution

The fourth proportional to 17,620,221.40, 26,430,332.10 and 12,837,252.40 is: 19,255,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,221.40 : 26,430,332.10 = 12,837,252.40 : x
  2. Step 2: Convert to fraction form
    17,620,221.40/26,430,332.10 = 12,837,252.40/x
  3. Step 3: Cross multiply
    17,620,221.40x = 26,430,332.10 × 12,837,252.40
  4. Step 4: Simplify right side
    17,620,221.40x = 339,292,844,183,522.06
  5. Step 5: Solve for x
    x = 339,292,844,183,522.06/17,620,221.40
  6. Step 6: Final answer
    x = 19,255,878.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.