Home / 10,921,160.20-16,381,740.30-4,855,880.20

Finding the Fourth Proportional to 10,921,160.20, 16,381,740.30 and 4,855,880.20

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Solution

The fourth proportional to 10,921,160.20, 16,381,740.30 and 4,855,880.20 is: 7,283,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,160.20 : 16,381,740.30 = 4,855,880.20 : x
  2. Step 2: Convert to fraction form
    10,921,160.20/16,381,740.30 = 4,855,880.20/x
  3. Step 3: Cross multiply
    10,921,160.20x = 16,381,740.30 × 4,855,880.20
  4. Step 4: Simplify right side
    10,921,160.20x = 79,547,768,364,312.06
  5. Step 5: Solve for x
    x = 79,547,768,364,312.06/10,921,160.20
  6. Step 6: Final answer
    x = 7,283,820.30

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Similar ratio
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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.