Home / 30,611,730.12-42,244,186.06-16,860,694.92

Finding the Fourth Proportional to 30,611,730.12, 42,244,186.06 and 16,860,694.92

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Solution

The fourth proportional to 30,611,730.12, 42,244,186.06 and 16,860,694.92 is: 23,267,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,730.12 : 42,244,186.06 = 16,860,694.92 : x
  2. Step 2: Convert to fraction form
    30,611,730.12/42,244,186.06 = 16,860,694.92/x
  3. Step 3: Cross multiply
    30,611,730.12x = 42,244,186.06 × 16,860,694.92
  4. Step 4: Simplify right side
    30,611,730.12x = 712,266,333,301,376.88
  5. Step 5: Solve for x
    x = 712,266,333,301,376.88/30,611,730.12
  6. Step 6: Final answer
    x = 23,267,758.16

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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.