Home / 19,272,005.20-28,883,513.40-7,899,605.20

Finding the Fourth Proportional to 19,272,005.20, 28,883,513.40 and 7,899,605.20

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Solution

The fourth proportional to 19,272,005.20, 28,883,513.40 and 7,899,605.20 is: 11,839,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272,005.20 : 28,883,513.40 = 7,899,605.20 : x
  2. Step 2: Convert to fraction form
    19,272,005.20/28,883,513.40 = 7,899,605.20/x
  3. Step 3: Cross multiply
    19,272,005.20x = 28,883,513.40 × 7,899,605.20
  4. Step 4: Simplify right side
    19,272,005.20x = 228,168,352,648,909.69
  5. Step 5: Solve for x
    x = 228,168,352,648,909.69/19,272,005.20
  6. Step 6: Final answer
    x = 11,839,367.53

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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.