Home / 38,189,968.64-52,706,644.40-21,447,459.69

Finding the Fourth Proportional to 38,189,968.64, 52,706,644.40 and 21,447,459.69

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Solution

The fourth proportional to 38,189,968.64, 52,706,644.40 and 21,447,459.69 is: 29,600,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189,968.64 : 52,706,644.40 = 21,447,459.69 : x
  2. Step 2: Convert to fraction form
    38,189,968.64/52,706,644.40 = 21,447,459.69/x
  3. Step 3: Cross multiply
    38,189,968.64x = 52,706,644.40 × 21,447,459.69
  4. Step 4: Simplify right side
    38,189,968.64x = 1,130,423,631,056,927
  5. Step 5: Solve for x
    x = 1,130,423,631,056,927/38,189,968.64
  6. Step 6: Final answer
    x = 29,600,014.65

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Why These Related Problems?

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