Home / 28,458,158.76-42,688,419.10-8,263,400.76

Finding the Fourth Proportional to 28,458,158.76, 42,688,419.10 and 8,263,400.76

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Solution

The fourth proportional to 28,458,158.76, 42,688,419.10 and 8,263,400.76 is: 12,395,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,158.76 : 42,688,419.10 = 8,263,400.76 : x
  2. Step 2: Convert to fraction form
    28,458,158.76/42,688,419.10 = 8,263,400.76/x
  3. Step 3: Cross multiply
    28,458,158.76x = 42,688,419.10 × 8,263,400.76
  4. Step 4: Simplify right side
    28,458,158.76x = 352,751,514,834,138.50
  5. Step 5: Solve for x
    x = 352,751,514,834,138.50/28,458,158.76
  6. Step 6: Final answer
    x = 12,395,444.06

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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.