Home / 25,978,564.80-38,971,346.40-8,944,459.20

Finding the Fourth Proportional to 25,978,564.80, 38,971,346.40 and 8,944,459.20

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Solution

The fourth proportional to 25,978,564.80, 38,971,346.40 and 8,944,459.20 is: 13,417,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,978,564.80 : 38,971,346.40 = 8,944,459.20 : x
  2. Step 2: Convert to fraction form
    25,978,564.80/38,971,346.40 = 8,944,459.20/x
  3. Step 3: Cross multiply
    25,978,564.80x = 38,971,346.40 × 8,944,459.20
  4. Step 4: Simplify right side
    25,978,564.80x = 348,577,617,843,866.81
  5. Step 5: Solve for x
    x = 348,577,617,843,866.81/25,978,564.80
  6. Step 6: Final answer
    x = 13,417,893.58

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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.