Home / 9,666,679.10-13,336,752.54-5,479,915.12

Finding the Fourth Proportional to 9,666,679.10, 13,336,752.54 and 5,479,915.12

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Solution

The fourth proportional to 9,666,679.10, 13,336,752.54 and 5,479,915.12 is: 7,560,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,679.10 : 13,336,752.54 = 5,479,915.12 : x
  2. Step 2: Convert to fraction form
    9,666,679.10/13,336,752.54 = 5,479,915.12/x
  3. Step 3: Cross multiply
    9,666,679.10x = 13,336,752.54 × 5,479,915.12
  4. Step 4: Simplify right side
    9,666,679.10x = 73,084,271,895,644.41
  5. Step 5: Solve for x
    x = 73,084,271,895,644.41/9,666,679.10
  6. Step 6: Final answer
    x = 7,560,432.20

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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.