Home / 21,277,314,766.96-31,924,032,927.44-12,774,635,318.12

Finding the Fourth Proportional to 21,277,314,766.96, 31,924,032,927.44 and 12,774,635,318.12

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Solution

The fourth proportional to 21,277,314,766.96, 31,924,032,927.44 and 12,774,635,318.12 is: 19,166,792,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277,314,766.96 : 31,924,032,927.44 = 12,774,635,318.12 : x
  2. Step 2: Convert to fraction form
    21,277,314,766.96/31,924,032,927.44 = 12,774,635,318.12/x
  3. Step 3: Cross multiply
    21,277,314,766.96x = 31,924,032,927.44 × 12,774,635,318.12
  4. Step 4: Simplify right side
    21,277,314,766.96x = 407,817,878,531,700,817,920
  5. Step 5: Solve for x
    x = 407,817,878,531,700,817,920/21,277,314,766.96
  6. Step 6: Final answer
    x = 19,166,792,567.50

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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.