Home / 12,773,079.80-19,159,619.70-11,513,367.80

Finding the Fourth Proportional to 12,773,079.80, 19,159,619.70 and 11,513,367.80

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Solution

The fourth proportional to 12,773,079.80, 19,159,619.70 and 11,513,367.80 is: 17,270,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,079.80 : 19,159,619.70 = 11,513,367.80 : x
  2. Step 2: Convert to fraction form
    12,773,079.80/19,159,619.70 = 11,513,367.80/x
  3. Step 3: Cross multiply
    12,773,079.80x = 19,159,619.70 × 11,513,367.80
  4. Step 4: Simplify right side
    12,773,079.80x = 220,591,748,514,225.66
  5. Step 5: Solve for x
    x = 220,591,748,514,225.66/12,773,079.80
  6. Step 6: Final answer
    x = 17,270,051.70

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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.