Home / 30,285,087.30-45,427,630.95-18,191,852.10

Finding the Fourth Proportional to 30,285,087.30, 45,427,630.95 and 18,191,852.10

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Solution

The fourth proportional to 30,285,087.30, 45,427,630.95 and 18,191,852.10 is: 27,287,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,087.30 : 45,427,630.95 = 18,191,852.10 : x
  2. Step 2: Convert to fraction form
    30,285,087.30/45,427,630.95 = 18,191,852.10/x
  3. Step 3: Cross multiply
    30,285,087.30x = 45,427,630.95 × 18,191,852.10
  4. Step 4: Simplify right side
    30,285,087.30x = 826,412,743,495,782.62
  5. Step 5: Solve for x
    x = 826,412,743,495,782.62/30,285,087.30
  6. Step 6: Final answer
    x = 27,287,778.15

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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.