Home / 30,968,258.28-42,725,736.11-17,555,484.64

Finding the Fourth Proportional to 30,968,258.28, 42,725,736.11 and 17,555,484.64

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Solution

The fourth proportional to 30,968,258.28, 42,725,736.11 and 17,555,484.64 is: 24,220,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968,258.28 : 42,725,736.11 = 17,555,484.64 : x
  2. Step 2: Convert to fraction form
    30,968,258.28/42,725,736.11 = 17,555,484.64/x
  3. Step 3: Cross multiply
    30,968,258.28x = 42,725,736.11 × 17,555,484.64
  4. Step 4: Simplify right side
    30,968,258.28x = 750,071,003,892,558.25
  5. Step 5: Solve for x
    x = 750,071,003,892,558.25/30,968,258.28
  6. Step 6: Final answer
    x = 24,220,638.99

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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.