Home / 28,451,268.48-39,262,411.04-15,398,218.96

Finding the Fourth Proportional to 28,451,268.48, 39,262,411.04 and 15,398,218.96

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Solution

The fourth proportional to 28,451,268.48, 39,262,411.04 and 15,398,218.96 is: 21,249,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451,268.48 : 39,262,411.04 = 15,398,218.96 : x
  2. Step 2: Convert to fraction form
    28,451,268.48/39,262,411.04 = 15,398,218.96/x
  3. Step 3: Cross multiply
    28,451,268.48x = 39,262,411.04 × 15,398,218.96
  4. Step 4: Simplify right side
    28,451,268.48x = 604,571,202,091,441.38
  5. Step 5: Solve for x
    x = 604,571,202,091,441.38/28,451,268.48
  6. Step 6: Final answer
    x = 21,249,358.44

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1.5x scale

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.