Home / 10,920,020.40-16,380,030.60-8,794,256.40

Finding the Fourth Proportional to 10,920,020.40, 16,380,030.60 and 8,794,256.40

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Solution

The fourth proportional to 10,920,020.40, 16,380,030.60 and 8,794,256.40 is: 13,191,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,020.40 : 16,380,030.60 = 8,794,256.40 : x
  2. Step 2: Convert to fraction form
    10,920,020.40/16,380,030.60 = 8,794,256.40/x
  3. Step 3: Cross multiply
    10,920,020.40x = 16,380,030.60 × 8,794,256.40
  4. Step 4: Simplify right side
    10,920,020.40x = 144,050,188,936,245.84
  5. Step 5: Solve for x
    x = 144,050,188,936,245.84/10,920,020.40
  6. Step 6: Final answer
    x = 13,191,384.60

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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.