Home / 15,860,341.45-21,887,271.18-8,984,823.51

Finding the Fourth Proportional to 15,860,341.45, 21,887,271.18 and 8,984,823.51

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Solution

The fourth proportional to 15,860,341.45, 21,887,271.18 and 8,984,823.51 is: 12,399,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860,341.45 : 21,887,271.18 = 8,984,823.51 : x
  2. Step 2: Convert to fraction form
    15,860,341.45/21,887,271.18 = 8,984,823.51/x
  3. Step 3: Cross multiply
    15,860,341.45x = 21,887,271.18 × 8,984,823.51
  4. Step 4: Simplify right side
    15,860,341.45x = 196,653,268,667,809.44
  5. Step 5: Solve for x
    x = 196,653,268,667,809.44/15,860,341.45
  6. Step 6: Final answer
    x = 12,399,056.43

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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.