Home / 13,196,953.20-19,795,429.80-12,984,376.80

Finding the Fourth Proportional to 13,196,953.20, 19,795,429.80 and 12,984,376.80

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Solution

The fourth proportional to 13,196,953.20, 19,795,429.80 and 12,984,376.80 is: 19,476,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,953.20 : 19,795,429.80 = 12,984,376.80 : x
  2. Step 2: Convert to fraction form
    13,196,953.20/19,795,429.80 = 12,984,376.80/x
  3. Step 3: Cross multiply
    13,196,953.20x = 19,795,429.80 × 12,984,376.80
  4. Step 4: Simplify right side
    13,196,953.20x = 257,031,319,441,148.66
  5. Step 5: Solve for x
    x = 257,031,319,441,148.66/13,196,953.20
  6. Step 6: Final answer
    x = 19,476,565.20

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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.