Home / 21,281,611.95-31,926,901.25-6,903,557.07

Finding the Fourth Proportional to 21,281,611.95, 31,926,901.25 and 6,903,557.07

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Solution

The fourth proportional to 21,281,611.95, 31,926,901.25 and 6,903,557.07 is: 10,356,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281,611.95 : 31,926,901.25 = 6,903,557.07 : x
  2. Step 2: Convert to fraction form
    21,281,611.95/31,926,901.25 = 6,903,557.07/x
  3. Step 3: Cross multiply
    21,281,611.95x = 31,926,901.25 × 6,903,557.07
  4. Step 4: Simplify right side
    21,281,611.95x = 220,409,184,813,111.56
  5. Step 5: Solve for x
    x = 220,409,184,813,111.56/21,281,611.95
  6. Step 6: Final answer
    x = 10,356,789.95

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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.