Home / 14,176,426.80-21,250,643.40-6,982,071.60

Finding the Fourth Proportional to 14,176,426.80, 21,250,643.40 and 6,982,071.60

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Solution

The fourth proportional to 14,176,426.80, 21,250,643.40 and 6,982,071.60 is: 10,466,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176,426.80 : 21,250,643.40 = 6,982,071.60 : x
  2. Step 2: Convert to fraction form
    14,176,426.80/21,250,643.40 = 6,982,071.60/x
  3. Step 3: Cross multiply
    14,176,426.80x = 21,250,643.40 × 6,982,071.60
  4. Step 4: Simplify right side
    14,176,426.80x = 148,373,513,764,867.41
  5. Step 5: Solve for x
    x = 148,373,513,764,867.41/14,176,426.80
  6. Step 6: Final answer
    x = 10,466,213.80

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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.