Home / 42,228,074.80-63,342,112.20-13,477,116.70

Finding the Fourth Proportional to 42,228,074.80, 63,342,112.20 and 13,477,116.70

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Solution

The fourth proportional to 42,228,074.80, 63,342,112.20 and 13,477,116.70 is: 20,215,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228,074.80 : 63,342,112.20 = 13,477,116.70 : x
  2. Step 2: Convert to fraction form
    42,228,074.80/63,342,112.20 = 13,477,116.70/x
  3. Step 3: Cross multiply
    42,228,074.80x = 63,342,112.20 × 13,477,116.70
  4. Step 4: Simplify right side
    42,228,074.80x = 853,669,038,143,893.75
  5. Step 5: Solve for x
    x = 853,669,038,143,893.75/42,228,074.80
  6. Step 6: Final answer
    x = 20,215,675.05

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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.