Home / 7,490,143.84-10,336,395-4,227,642.85

Finding the Fourth Proportional to 7,490,143.84, 10,336,395 and 4,227,642.85

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Solution

The fourth proportional to 7,490,143.84, 10,336,395 and 4,227,642.85 is: 5,834,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,143.84 : 10,336,395 = 4,227,642.85 : x
  2. Step 2: Convert to fraction form
    7,490,143.84/10,336,395 = 4,227,642.85/x
  3. Step 3: Cross multiply
    7,490,143.84x = 10,336,395 × 4,227,642.85
  4. Step 4: Simplify right side
    7,490,143.84x = 43,698,586,416,525.75
  5. Step 5: Solve for x
    x = 43,698,586,416,525.75/7,490,143.84
  6. Step 6: Final answer
    x = 5,834,145.16

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Double scale
Find fourth proportional to 7,490,144.84, 10,336,396.38 and 4,227,643.85
Similar ratio
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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.