Home / 19,763,386.90-27,270,220.49-12,416,019.46

Finding the Fourth Proportional to 19,763,386.90, 27,270,220.49 and 12,416,019.46

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Solution

The fourth proportional to 19,763,386.90, 27,270,220.49 and 12,416,019.46 is: 17,132,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763,386.90 : 27,270,220.49 = 12,416,019.46 : x
  2. Step 2: Convert to fraction form
    19,763,386.90/27,270,220.49 = 12,416,019.46/x
  3. Step 3: Cross multiply
    19,763,386.90x = 27,270,220.49 × 12,416,019.46
  4. Step 4: Simplify right side
    19,763,386.90x = 338,587,588,198,635.12
  5. Step 5: Solve for x
    x = 338,587,588,198,635.12/19,763,386.90
  6. Step 6: Final answer
    x = 17,132,062.94

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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.