Home / 21,830,448.60-32,745,672.90-19,395,005.40

Finding the Fourth Proportional to 21,830,448.60, 32,745,672.90 and 19,395,005.40

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Solution

The fourth proportional to 21,830,448.60, 32,745,672.90 and 19,395,005.40 is: 29,092,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,448.60 : 32,745,672.90 = 19,395,005.40 : x
  2. Step 2: Convert to fraction form
    21,830,448.60/32,745,672.90 = 19,395,005.40/x
  3. Step 3: Cross multiply
    21,830,448.60x = 32,745,672.90 × 19,395,005.40
  4. Step 4: Simplify right side
    21,830,448.60x = 635,102,502,722,133.62
  5. Step 5: Solve for x
    x = 635,102,502,722,133.62/21,830,448.60
  6. Step 6: Final answer
    x = 29,092,508.10

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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.