Home / 19,480,416.40-26,883,766.92-10,778,447.44

Finding the Fourth Proportional to 19,480,416.40, 26,883,766.92 and 10,778,447.44

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Solution

The fourth proportional to 19,480,416.40, 26,883,766.92 and 10,778,447.44 is: 14,874,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480,416.40 : 26,883,766.92 = 10,778,447.44 : x
  2. Step 2: Convert to fraction form
    19,480,416.40/26,883,766.92 = 10,778,447.44/x
  3. Step 3: Cross multiply
    19,480,416.40x = 26,883,766.92 × 10,778,447.44
  4. Step 4: Simplify right side
    19,480,416.40x = 289,765,268,736,430.69
  5. Step 5: Solve for x
    x = 289,765,268,736,430.69/19,480,416.40
  6. Step 6: Final answer
    x = 14,874,695.84

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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.