Home / 14,567,905.20-21,851,857.80-7,009,633.20

Finding the Fourth Proportional to 14,567,905.20, 21,851,857.80 and 7,009,633.20

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Solution

The fourth proportional to 14,567,905.20, 21,851,857.80 and 7,009,633.20 is: 10,514,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567,905.20 : 21,851,857.80 = 7,009,633.20 : x
  2. Step 2: Convert to fraction form
    14,567,905.20/21,851,857.80 = 7,009,633.20/x
  3. Step 3: Cross multiply
    14,567,905.20x = 21,851,857.80 × 7,009,633.20
  4. Step 4: Simplify right side
    14,567,905.20x = 153,173,507,916,558.97
  5. Step 5: Solve for x
    x = 153,173,507,916,558.97/14,567,905.20
  6. Step 6: Final answer
    x = 10,514,449.80

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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.