Home / 21,576,869.60-32,365,304.40-19,412,031.20

Finding the Fourth Proportional to 21,576,869.60, 32,365,304.40 and 19,412,031.20

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Solution

The fourth proportional to 21,576,869.60, 32,365,304.40 and 19,412,031.20 is: 29,118,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,869.60 : 32,365,304.40 = 19,412,031.20 : x
  2. Step 2: Convert to fraction form
    21,576,869.60/32,365,304.40 = 19,412,031.20/x
  3. Step 3: Cross multiply
    21,576,869.60x = 32,365,304.40 × 19,412,031.20
  4. Step 4: Simplify right side
    21,576,869.60x = 628,276,298,810,297.25
  5. Step 5: Solve for x
    x = 628,276,298,810,297.25/21,576,869.60
  6. Step 6: Final answer
    x = 29,118,046.80

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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.