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Finding the Fourth Proportional to 28,003,011, 42,011,602.38 and 7,808,253

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Solution

The fourth proportional to 28,003,011, 42,011,602.38 and 7,808,253 is: 11,714,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,011 : 42,011,602.38 = 7,808,253 : x
  2. Step 2: Convert to fraction form
    28,003,011/42,011,602.38 = 7,808,253/x
  3. Step 3: Cross multiply
    28,003,011x = 42,011,602.38 × 7,808,253
  4. Step 4: Simplify right side
    28,003,011x = 328,037,220,318,442.19
  5. Step 5: Solve for x
    x = 328,037,220,318,442.19/28,003,011
  6. Step 6: Final answer
    x = 11,714,355.30

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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.