Home / 42,601,410.60-63,944,106.30-21,060,335.40

Finding the Fourth Proportional to 42,601,410.60, 63,944,106.30 and 21,060,335.40

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Solution

The fourth proportional to 42,601,410.60, 63,944,106.30 and 21,060,335.40 is: 31,611,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601,410.60 : 63,944,106.30 = 21,060,335.40 : x
  2. Step 2: Convert to fraction form
    42,601,410.60/63,944,106.30 = 21,060,335.40/x
  3. Step 3: Cross multiply
    42,601,410.60x = 63,944,106.30 × 21,060,335.40
  4. Step 4: Simplify right side
    42,601,410.60x = 1,346,684,325,531,252.75
  5. Step 5: Solve for x
    x = 1,346,684,325,531,252.75/42,601,410.60
  6. Step 6: Final answer
    x = 31,611,261.38

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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.