Home / 28,655,219.37-42,983,160.75-12,258,274.35

Finding the Fourth Proportional to 28,655,219.37, 42,983,160.75 and 12,258,274.35

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Solution

The fourth proportional to 28,655,219.37, 42,983,160.75 and 12,258,274.35 is: 18,387,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,219.37 : 42,983,160.75 = 12,258,274.35 : x
  2. Step 2: Convert to fraction form
    28,655,219.37/42,983,160.75 = 12,258,274.35/x
  3. Step 3: Cross multiply
    28,655,219.37x = 42,983,160.75 × 12,258,274.35
  4. Step 4: Simplify right side
    28,655,219.37x = 526,899,376,903,651.75
  5. Step 5: Solve for x
    x = 526,899,376,903,651.75/28,655,219.37
  6. Step 6: Final answer
    x = 18,387,553.42

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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.