Home / 28,495,015.64-39,323,155.22-15,442,274.49

Finding the Fourth Proportional to 28,495,015.64, 39,323,155.22 and 15,442,274.49

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Solution

The fourth proportional to 28,495,015.64, 39,323,155.22 and 15,442,274.49 is: 21,310,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495,015.64 : 39,323,155.22 = 15,442,274.49 : x
  2. Step 2: Convert to fraction form
    28,495,015.64/39,323,155.22 = 15,442,274.49/x
  3. Step 3: Cross multiply
    28,495,015.64x = 39,323,155.22 × 15,442,274.49
  4. Step 4: Simplify right side
    28,495,015.64x = 607,238,956,720,116.38
  5. Step 5: Solve for x
    x = 607,238,956,720,116.38/28,495,015.64
  6. Step 6: Final answer
    x = 21,310,357.02

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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.