Home / 10,920,729.60-16,381,094.40-8,794,965.60

Finding the Fourth Proportional to 10,920,729.60, 16,381,094.40 and 8,794,965.60

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Solution

The fourth proportional to 10,920,729.60, 16,381,094.40 and 8,794,965.60 is: 13,192,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,729.60 : 16,381,094.40 = 8,794,965.60 : x
  2. Step 2: Convert to fraction form
    10,920,729.60/16,381,094.40 = 8,794,965.60/x
  3. Step 3: Cross multiply
    10,920,729.60x = 16,381,094.40 × 8,794,965.60
  4. Step 4: Simplify right side
    10,920,729.60x = 144,071,161,738,352.62
  5. Step 5: Solve for x
    x = 144,071,161,738,352.62/10,920,729.60
  6. Step 6: Final answer
    x = 13,192,448.40

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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.