Home / 10,990,458.17-15,156,907.55-6,860,872.50

Finding the Fourth Proportional to 10,990,458.17, 15,156,907.55 and 6,860,872.50

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Solution

The fourth proportional to 10,990,458.17, 15,156,907.55 and 6,860,872.50 is: 9,461,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,458.17 : 15,156,907.55 = 6,860,872.50 : x
  2. Step 2: Convert to fraction form
    10,990,458.17/15,156,907.55 = 6,860,872.50/x
  3. Step 3: Cross multiply
    10,990,458.17x = 15,156,907.55 × 6,860,872.50
  4. Step 4: Simplify right side
    10,990,458.17x = 103,989,610,214,680.48
  5. Step 5: Solve for x
    x = 103,989,610,214,680.48/10,990,458.17
  6. Step 6: Final answer
    x = 9,461,808.47

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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.