Home / 10,990,466.67-15,156,919.28-6,860,881

Finding the Fourth Proportional to 10,990,466.67, 15,156,919.28 and 6,860,881

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Solution

The fourth proportional to 10,990,466.67, 15,156,919.28 and 6,860,881 is: 9,461,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,466.67 : 15,156,919.28 = 6,860,881 : x
  2. Step 2: Convert to fraction form
    10,990,466.67/15,156,919.28 = 6,860,881/x
  3. Step 3: Cross multiply
    10,990,466.67x = 15,156,919.28 × 6,860,881
  4. Step 4: Simplify right side
    10,990,466.67x = 103,989,819,506,685.67
  5. Step 5: Solve for x
    x = 103,989,819,506,685.67/10,990,466.67
  6. Step 6: Final answer
    x = 9,461,820.20

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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.