Home / 28,185,142.56-42,262,328.34-8,486,396.16

Finding the Fourth Proportional to 28,185,142.56, 42,262,328.34 and 8,486,396.16

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Solution

The fourth proportional to 28,185,142.56, 42,262,328.34 and 8,486,396.16 is: 12,724,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185,142.56 : 42,262,328.34 = 8,486,396.16 : x
  2. Step 2: Convert to fraction form
    28,185,142.56/42,262,328.34 = 8,486,396.16/x
  3. Step 3: Cross multiply
    28,185,142.56x = 42,262,328.34 × 8,486,396.16
  4. Step 4: Simplify right side
    28,185,142.56x = 358,654,860,937,235.19
  5. Step 5: Solve for x
    x = 358,654,860,937,235.19/28,185,142.56
  6. Step 6: Final answer
    x = 12,724,961.75

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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.