Home / 19,190,853.80-28,744,290.30-16,671,429.80

Finding the Fourth Proportional to 19,190,853.80, 28,744,290.30 and 16,671,429.80

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Solution

The fourth proportional to 19,190,853.80, 28,744,290.30 and 16,671,429.80 is: 24,970,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,853.80 : 28,744,290.30 = 16,671,429.80 : x
  2. Step 2: Convert to fraction form
    19,190,853.80/28,744,290.30 = 16,671,429.80/x
  3. Step 3: Cross multiply
    19,190,853.80x = 28,744,290.30 × 16,671,429.80
  4. Step 4: Simplify right side
    19,190,853.80x = 479,208,417,887,271
  5. Step 5: Solve for x
    x = 479,208,417,887,271/19,190,853.80
  6. Step 6: Final answer
    x = 24,970,666.91

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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.