Home / 13,163,730.30-19,745,595.45-5,989,276.80

Finding the Fourth Proportional to 13,163,730.30, 19,745,595.45 and 5,989,276.80

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Solution

The fourth proportional to 13,163,730.30, 19,745,595.45 and 5,989,276.80 is: 8,983,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,730.30 : 19,745,595.45 = 5,989,276.80 : x
  2. Step 2: Convert to fraction form
    13,163,730.30/19,745,595.45 = 5,989,276.80/x
  3. Step 3: Cross multiply
    13,163,730.30x = 19,745,595.45 × 5,989,276.80
  4. Step 4: Simplify right side
    13,163,730.30x = 118,261,836,730,870.55
  5. Step 5: Solve for x
    x = 118,261,836,730,870.55/13,163,730.30
  6. Step 6: Final answer
    x = 8,983,915.20

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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.