Home / 30,645,205.20-45,967,807.80-13,587,771.60

Finding the Fourth Proportional to 30,645,205.20, 45,967,807.80 and 13,587,771.60

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Solution

The fourth proportional to 30,645,205.20, 45,967,807.80 and 13,587,771.60 is: 20,381,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,205.20 : 45,967,807.80 = 13,587,771.60 : x
  2. Step 2: Convert to fraction form
    30,645,205.20/45,967,807.80 = 13,587,771.60/x
  3. Step 3: Cross multiply
    30,645,205.20x = 45,967,807.80 × 13,587,771.60
  4. Step 4: Simplify right side
    30,645,205.20x = 624,600,073,339,098.38
  5. Step 5: Solve for x
    x = 624,600,073,339,098.38/30,645,205.20
  6. Step 6: Final answer
    x = 20,381,657.40

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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.