Home / 10,938,680.40-16,408,020.60-6,459,704.40

Finding the Fourth Proportional to 10,938,680.40, 16,408,020.60 and 6,459,704.40

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Solution

The fourth proportional to 10,938,680.40, 16,408,020.60 and 6,459,704.40 is: 9,689,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938,680.40 : 16,408,020.60 = 6,459,704.40 : x
  2. Step 2: Convert to fraction form
    10,938,680.40/16,408,020.60 = 6,459,704.40/x
  3. Step 3: Cross multiply
    10,938,680.40x = 16,408,020.60 × 6,459,704.40
  4. Step 4: Simplify right side
    10,938,680.40x = 105,990,962,865,110.64
  5. Step 5: Solve for x
    x = 105,990,962,865,110.64/10,938,680.40
  6. Step 6: Final answer
    x = 9,689,556.60

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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.