Home / 8,920,818.55-12,311,482.42-5,000,512

Finding the Fourth Proportional to 8,920,818.55, 12,311,482.42 and 5,000,512

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Solution

The fourth proportional to 8,920,818.55, 12,311,482.42 and 5,000,512 is: 6,901,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,818.55 : 12,311,482.42 = 5,000,512 : x
  2. Step 2: Convert to fraction form
    8,920,818.55/12,311,482.42 = 5,000,512/x
  3. Step 3: Cross multiply
    8,920,818.55x = 12,311,482.42 × 5,000,512
  4. Step 4: Simplify right side
    8,920,818.55x = 61,563,715,553,996.48
  5. Step 5: Solve for x
    x = 61,563,715,553,996.48/8,920,818.55
  6. Step 6: Final answer
    x = 6,901,128.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.