Home / 21,362,122.60-32,068,067.10-12,852,068.20

Finding the Fourth Proportional to 21,362,122.60, 32,068,067.10 and 12,852,068.20

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Solution

The fourth proportional to 21,362,122.60, 32,068,067.10 and 12,852,068.20 is: 19,293,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,122.60 : 32,068,067.10 = 12,852,068.20 : x
  2. Step 2: Convert to fraction form
    21,362,122.60/32,068,067.10 = 12,852,068.20/x
  3. Step 3: Cross multiply
    21,362,122.60x = 32,068,067.10 × 12,852,068.20
  4. Step 4: Simplify right side
    21,362,122.60x = 412,140,985,411,376.19
  5. Step 5: Solve for x
    x = 412,140,985,411,376.19/21,362,122.60
  6. Step 6: Final answer
    x = 19,293,072.75

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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.