Home / 38,475,209.80-53,095,808.10-21,072,649.48

Finding the Fourth Proportional to 38,475,209.80, 53,095,808.10 and 21,072,649.48

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Solution

The fourth proportional to 38,475,209.80, 53,095,808.10 and 21,072,649.48 is: 29,080,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475,209.80 : 53,095,808.10 = 21,072,649.48 : x
  2. Step 2: Convert to fraction form
    38,475,209.80/53,095,808.10 = 21,072,649.48/x
  3. Step 3: Cross multiply
    38,475,209.80x = 53,095,808.10 × 21,072,649.48
  4. Step 4: Simplify right side
    38,475,209.80x = 1,118,869,352,948,644.88
  5. Step 5: Solve for x
    x = 1,118,869,352,948,644.88/38,475,209.80
  6. Step 6: Final answer
    x = 29,080,266.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.