Home / 28,475,090.16-39,295,428.12-15,422,050.32

Finding the Fourth Proportional to 28,475,090.16, 39,295,428.12 and 15,422,050.32

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Solution

The fourth proportional to 28,475,090.16, 39,295,428.12 and 15,422,050.32 is: 21,282,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475,090.16 : 39,295,428.12 = 15,422,050.32 : x
  2. Step 2: Convert to fraction form
    28,475,090.16/39,295,428.12 = 15,422,050.32/x
  3. Step 3: Cross multiply
    28,475,090.16x = 39,295,428.12 × 15,422,050.32
  4. Step 4: Simplify right side
    28,475,090.16x = 606,016,069,812,583
  5. Step 5: Solve for x
    x = 606,016,069,812,583/28,475,090.16
  6. Step 6: Final answer
    x = 21,282,323.13

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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.