Home / 16,128,905.40-24,195,431.70-8,046,012.60

Finding the Fourth Proportional to 16,128,905.40, 24,195,431.70 and 8,046,012.60

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Solution

The fourth proportional to 16,128,905.40, 24,195,431.70 and 8,046,012.60 is: 12,070,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,905.40 : 24,195,431.70 = 8,046,012.60 : x
  2. Step 2: Convert to fraction form
    16,128,905.40/24,195,431.70 = 8,046,012.60/x
  3. Step 3: Cross multiply
    16,128,905.40x = 24,195,431.70 × 8,046,012.60
  4. Step 4: Simplify right side
    16,128,905.40x = 194,676,748,320,639.41
  5. Step 5: Solve for x
    x = 194,676,748,320,639.41/16,128,905.40
  6. Step 6: Final answer
    x = 12,070,053.33

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1.5x scale

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.