Home / 20,764,487.08-31,153,384.20-14,539,074.40

Finding the Fourth Proportional to 20,764,487.08, 31,153,384.20 and 14,539,074.40

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Solution

The fourth proportional to 20,764,487.08, 31,153,384.20 and 14,539,074.40 is: 21,813,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764,487.08 : 31,153,384.20 = 14,539,074.40 : x
  2. Step 2: Convert to fraction form
    20,764,487.08/31,153,384.20 = 14,539,074.40/x
  3. Step 3: Cross multiply
    20,764,487.08x = 31,153,384.20 × 14,539,074.40
  4. Step 4: Simplify right side
    20,764,487.08x = 452,941,370,695,584.50
  5. Step 5: Solve for x
    x = 452,941,370,695,584.50/20,764,487.08
  6. Step 6: Final answer
    x = 21,813,270.37

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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.