Home / 13,786,354.80-19,012,784.40-8,630,186.40

Finding the Fourth Proportional to 13,786,354.80, 19,012,784.40 and 8,630,186.40

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Solution

The fourth proportional to 13,786,354.80, 19,012,784.40 and 8,630,186.40 is: 11,901,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,354.80 : 19,012,784.40 = 8,630,186.40 : x
  2. Step 2: Convert to fraction form
    13,786,354.80/19,012,784.40 = 8,630,186.40/x
  3. Step 3: Cross multiply
    13,786,354.80x = 19,012,784.40 × 8,630,186.40
  4. Step 4: Simplify right side
    13,786,354.80x = 164,083,873,355,012.16
  5. Step 5: Solve for x
    x = 164,083,873,355,012.16/13,786,354.80
  6. Step 6: Final answer
    x = 11,901,904.15

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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.