Home / 28,030,200.30-42,045,300.45-11,850,774.30

Finding the Fourth Proportional to 28,030,200.30, 42,045,300.45 and 11,850,774.30

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Solution

The fourth proportional to 28,030,200.30, 42,045,300.45 and 11,850,774.30 is: 17,776,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,200.30 : 42,045,300.45 = 11,850,774.30 : x
  2. Step 2: Convert to fraction form
    28,030,200.30/42,045,300.45 = 11,850,774.30/x
  3. Step 3: Cross multiply
    28,030,200.30x = 42,045,300.45 × 11,850,774.30
  4. Step 4: Simplify right side
    28,030,200.30x = 498,269,366,008,638.50
  5. Step 5: Solve for x
    x = 498,269,366,008,638.50/28,030,200.30
  6. Step 6: Final answer
    x = 17,776,161.45

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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.