Home / 30,618,992.70-45,866,487.60-19,069,008.30

Finding the Fourth Proportional to 30,618,992.70, 45,866,487.60 and 19,069,008.30

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Solution

The fourth proportional to 30,618,992.70, 45,866,487.60 and 19,069,008.30 is: 28,564,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,992.70 : 45,866,487.60 = 19,069,008.30 : x
  2. Step 2: Convert to fraction form
    30,618,992.70/45,866,487.60 = 19,069,008.30/x
  3. Step 3: Cross multiply
    30,618,992.70x = 45,866,487.60 × 19,069,008.30
  4. Step 4: Simplify right side
    30,618,992.70x = 874,628,432,736,247.12
  5. Step 5: Solve for x
    x = 874,628,432,736,247.12/30,618,992.70
  6. Step 6: Final answer
    x = 28,564,898.96

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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.