Home / 15,539,762.40-23,309,643.60-8,821,298.40

Finding the Fourth Proportional to 15,539,762.40, 23,309,643.60 and 8,821,298.40

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Solution

The fourth proportional to 15,539,762.40, 23,309,643.60 and 8,821,298.40 is: 13,231,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,762.40 : 23,309,643.60 = 8,821,298.40 : x
  2. Step 2: Convert to fraction form
    15,539,762.40/23,309,643.60 = 8,821,298.40/x
  3. Step 3: Cross multiply
    15,539,762.40x = 23,309,643.60 × 8,821,298.40
  4. Step 4: Simplify right side
    15,539,762.40x = 205,621,321,793,250.25
  5. Step 5: Solve for x
    x = 205,621,321,793,250.25/15,539,762.40
  6. Step 6: Final answer
    x = 13,231,947.60

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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.