Home / 12,290,209.60-18,436,200.14-4,717,175.35

Finding the Fourth Proportional to 12,290,209.60, 18,436,200.14 and 4,717,175.35

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Solution

The fourth proportional to 12,290,209.60, 18,436,200.14 and 4,717,175.35 is: 7,076,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,209.60 : 18,436,200.14 = 4,717,175.35 : x
  2. Step 2: Convert to fraction form
    12,290,209.60/18,436,200.14 = 4,717,175.35/x
  3. Step 3: Cross multiply
    12,290,209.60x = 18,436,200.14 × 4,717,175.35
  4. Step 4: Simplify right side
    12,290,209.60x = 86,966,788,824,488.67
  5. Step 5: Solve for x
    x = 86,966,788,824,488.67/12,290,209.60
  6. Step 6: Final answer
    x = 7,076,102.98

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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.