Home / 28,111,242.80-42,162,603.30-9,669,994.04

Finding the Fourth Proportional to 28,111,242.80, 42,162,603.30 and 9,669,994.04

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Solution

The fourth proportional to 28,111,242.80, 42,162,603.30 and 9,669,994.04 is: 14,503,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111,242.80 : 42,162,603.30 = 9,669,994.04 : x
  2. Step 2: Convert to fraction form
    28,111,242.80/42,162,603.30 = 9,669,994.04/x
  3. Step 3: Cross multiply
    28,111,242.80x = 42,162,603.30 × 9,669,994.04
  4. Step 4: Simplify right side
    28,111,242.80x = 407,712,122,621,884.25
  5. Step 5: Solve for x
    x = 407,712,122,621,884.25/28,111,242.80
  6. Step 6: Final answer
    x = 14,503,525.35

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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.