Home / 14,043,335.40-21,065,003.10-9,788,308.20

Finding the Fourth Proportional to 14,043,335.40, 21,065,003.10 and 9,788,308.20

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Solution

The fourth proportional to 14,043,335.40, 21,065,003.10 and 9,788,308.20 is: 14,682,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,335.40 : 21,065,003.10 = 9,788,308.20 : x
  2. Step 2: Convert to fraction form
    14,043,335.40/21,065,003.10 = 9,788,308.20/x
  3. Step 3: Cross multiply
    14,043,335.40x = 21,065,003.10 × 9,788,308.20
  4. Step 4: Simplify right side
    14,043,335.40x = 206,190,742,576,755.41
  5. Step 5: Solve for x
    x = 206,190,742,576,755.41/14,043,335.40
  6. Step 6: Final answer
    x = 14,682,462.30

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Similar ratio
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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.