Home / 30,879,459.90-42,612,832.35-17,826,277.50

Finding the Fourth Proportional to 30,879,459.90, 42,612,832.35 and 17,826,277.50

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Solution

The fourth proportional to 30,879,459.90, 42,612,832.35 and 17,826,277.50 is: 24,599,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,879,459.90 : 42,612,832.35 = 17,826,277.50 : x
  2. Step 2: Convert to fraction form
    30,879,459.90/42,612,832.35 = 17,826,277.50/x
  3. Step 3: Cross multiply
    30,879,459.90x = 42,612,832.35 × 17,826,277.50
  4. Step 4: Simplify right side
    30,879,459.90x = 759,628,174,532,077.12
  5. Step 5: Solve for x
    x = 759,628,174,532,077.12/30,879,459.90
  6. Step 6: Final answer
    x = 24,599,788.24

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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.