Home / 28,426,848.40-42,640,272.60-15,512,832.10

Finding the Fourth Proportional to 28,426,848.40, 42,640,272.60 and 15,512,832.10

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Solution

The fourth proportional to 28,426,848.40, 42,640,272.60 and 15,512,832.10 is: 23,269,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,848.40 : 42,640,272.60 = 15,512,832.10 : x
  2. Step 2: Convert to fraction form
    28,426,848.40/42,640,272.60 = 15,512,832.10/x
  3. Step 3: Cross multiply
    28,426,848.40x = 42,640,272.60 × 15,512,832.10
  4. Step 4: Simplify right side
    28,426,848.40x = 661,471,389,542,030.50
  5. Step 5: Solve for x
    x = 661,471,389,542,030.50/28,426,848.40
  6. Step 6: Final answer
    x = 23,269,248.15

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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.