Home / 28,523,989.80-42,775,261.11-10,323,688.32

Finding the Fourth Proportional to 28,523,989.80, 42,775,261.11 and 10,323,688.32

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Solution

The fourth proportional to 28,523,989.80, 42,775,261.11 and 10,323,688.32 is: 15,481,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523,989.80 : 42,775,261.11 = 10,323,688.32 : x
  2. Step 2: Convert to fraction form
    28,523,989.80/42,775,261.11 = 10,323,688.32/x
  3. Step 3: Cross multiply
    28,523,989.80x = 42,775,261.11 × 10,323,688.32
  4. Step 4: Simplify right side
    28,523,989.80x = 441,598,463,506,257.25
  5. Step 5: Solve for x
    x = 441,598,463,506,257.25/28,523,989.80
  6. Step 6: Final answer
    x = 15,481,651.29

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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.