Home / 28,459,056.25-39,273,510.31-15,406,314.75

Finding the Fourth Proportional to 28,459,056.25, 39,273,510.31 and 15,406,314.75

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Solution

The fourth proportional to 28,459,056.25, 39,273,510.31 and 15,406,314.75 is: 21,260,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,056.25 : 39,273,510.31 = 15,406,314.75 : x
  2. Step 2: Convert to fraction form
    28,459,056.25/39,273,510.31 = 15,406,314.75/x
  3. Step 3: Cross multiply
    28,459,056.25x = 39,273,510.31 × 15,406,314.75
  4. Step 4: Simplify right side
    28,459,056.25x = 605,060,060,899,830.88
  5. Step 5: Solve for x
    x = 605,060,060,899,830.88/28,459,056.25
  6. Step 6: Final answer
    x = 21,260,721.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.