Home / 19,030,714.80-28,546,072.20-4,653,611.90

Finding the Fourth Proportional to 19,030,714.80, 28,546,072.20 and 4,653,611.90

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Solution

The fourth proportional to 19,030,714.80, 28,546,072.20 and 4,653,611.90 is: 6,980,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030,714.80 : 28,546,072.20 = 4,653,611.90 : x
  2. Step 2: Convert to fraction form
    19,030,714.80/28,546,072.20 = 4,653,611.90/x
  3. Step 3: Cross multiply
    19,030,714.80x = 28,546,072.20 × 4,653,611.90
  4. Step 4: Simplify right side
    19,030,714.80x = 132,842,341,264,911.12
  5. Step 5: Solve for x
    x = 132,842,341,264,911.12/19,030,714.80
  6. Step 6: Final answer
    x = 6,980,417.85

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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.