Home / 19,480,407.40-26,883,754.50-10,778,438.44

Finding the Fourth Proportional to 19,480,407.40, 26,883,754.50 and 10,778,438.44

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Solution

The fourth proportional to 19,480,407.40, 26,883,754.50 and 10,778,438.44 is: 14,874,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480,407.40 : 26,883,754.50 = 10,778,438.44 : x
  2. Step 2: Convert to fraction form
    19,480,407.40/26,883,754.50 = 10,778,438.44/x
  3. Step 3: Cross multiply
    19,480,407.40x = 26,883,754.50 × 10,778,438.44
  4. Step 4: Simplify right side
    19,480,407.40x = 289,764,892,914,322.94
  5. Step 5: Solve for x
    x = 289,764,892,914,322.94/19,480,407.40
  6. Step 6: Final answer
    x = 14,874,683.42

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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.