Home / 13,116,823.80-19,675,235.70-12,109,054.20

Finding the Fourth Proportional to 13,116,823.80, 19,675,235.70 and 12,109,054.20

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Solution

The fourth proportional to 13,116,823.80, 19,675,235.70 and 12,109,054.20 is: 18,163,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,823.80 : 19,675,235.70 = 12,109,054.20 : x
  2. Step 2: Convert to fraction form
    13,116,823.80/19,675,235.70 = 12,109,054.20/x
  3. Step 3: Cross multiply
    13,116,823.80x = 19,675,235.70 × 12,109,054.20
  4. Step 4: Simplify right side
    13,116,823.80x = 238,248,495,489,074.91
  5. Step 5: Solve for x
    x = 238,248,495,489,074.91/13,116,823.80
  6. Step 6: Final answer
    x = 18,163,581.30

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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.