Home / 10,779,915.60-16,169,873.40-5,111,211.60

Finding the Fourth Proportional to 10,779,915.60, 16,169,873.40 and 5,111,211.60

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Solution

The fourth proportional to 10,779,915.60, 16,169,873.40 and 5,111,211.60 is: 7,666,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,915.60 : 16,169,873.40 = 5,111,211.60 : x
  2. Step 2: Convert to fraction form
    10,779,915.60/16,169,873.40 = 5,111,211.60/x
  3. Step 3: Cross multiply
    10,779,915.60x = 16,169,873.40 × 5,111,211.60
  4. Step 4: Simplify right side
    10,779,915.60x = 82,647,644,492,611.44
  5. Step 5: Solve for x
    x = 82,647,644,492,611.44/10,779,915.60
  6. Step 6: Final answer
    x = 7,666,817.40

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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.