Home / 8,920,819.55-12,311,483.80-5,000,513

Finding the Fourth Proportional to 8,920,819.55, 12,311,483.80 and 5,000,513

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Solution

The fourth proportional to 8,920,819.55, 12,311,483.80 and 5,000,513 is: 6,901,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,819.55 : 12,311,483.80 = 5,000,513 : x
  2. Step 2: Convert to fraction form
    8,920,819.55/12,311,483.80 = 5,000,513/x
  3. Step 3: Cross multiply
    8,920,819.55x = 12,311,483.80 × 5,000,513
  4. Step 4: Simplify right side
    8,920,819.55x = 61,563,734,766,186.84
  5. Step 5: Solve for x
    x = 61,563,734,766,186.84/8,920,819.55
  6. Step 6: Final answer
    x = 6,901,129.93

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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.