Home / 21,362,116.60-32,068,058.10-12,852,062.20

Finding the Fourth Proportional to 21,362,116.60, 32,068,058.10 and 12,852,062.20

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Solution

The fourth proportional to 21,362,116.60, 32,068,058.10 and 12,852,062.20 is: 19,293,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,116.60 : 32,068,058.10 = 12,852,062.20 : x
  2. Step 2: Convert to fraction form
    21,362,116.60/32,068,058.10 = 12,852,062.20/x
  3. Step 3: Cross multiply
    21,362,116.60x = 32,068,058.10 × 12,852,062.20
  4. Step 4: Simplify right side
    21,362,116.60x = 412,140,677,334,413.81
  5. Step 5: Solve for x
    x = 412,140,677,334,413.81/21,362,116.60
  6. Step 6: Final answer
    x = 19,293,063.75

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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.