Home / 15,665,989.08-23,493,661.14-5,428,460.28

Finding the Fourth Proportional to 15,665,989.08, 23,493,661.14 and 5,428,460.28

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Solution

The fourth proportional to 15,665,989.08, 23,493,661.14 and 5,428,460.28 is: 8,140,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665,989.08 : 23,493,661.14 = 5,428,460.28 : x
  2. Step 2: Convert to fraction form
    15,665,989.08/23,493,661.14 = 5,428,460.28/x
  3. Step 3: Cross multiply
    15,665,989.08x = 23,493,661.14 × 5,428,460.28
  4. Step 4: Simplify right side
    15,665,989.08x = 127,534,406,330,269.53
  5. Step 5: Solve for x
    x = 127,534,406,330,269.53/15,665,989.08
  6. Step 6: Final answer
    x = 8,140,846.11

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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.