Home / 13,573,798.95-20,360,702.21-3,989,176.95

Finding the Fourth Proportional to 13,573,798.95, 20,360,702.21 and 3,989,176.95

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Solution

The fourth proportional to 13,573,798.95, 20,360,702.21 and 3,989,176.95 is: 5,983,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,798.95 : 20,360,702.21 = 3,989,176.95 : x
  2. Step 2: Convert to fraction form
    13,573,798.95/20,360,702.21 = 3,989,176.95/x
  3. Step 3: Cross multiply
    13,573,798.95x = 20,360,702.21 × 3,989,176.95
  4. Step 4: Simplify right side
    13,573,798.95x = 81,222,443,941,946.06
  5. Step 5: Solve for x
    x = 81,222,443,941,946.06/13,573,798.95
  6. Step 6: Final answer
    x = 5,983,766.54

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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.