Home / 18,671,351.40-28,007,027.10-7,308,023.40

Finding the Fourth Proportional to 18,671,351.40, 28,007,027.10 and 7,308,023.40

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Solution

The fourth proportional to 18,671,351.40, 28,007,027.10 and 7,308,023.40 is: 10,962,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,351.40 : 28,007,027.10 = 7,308,023.40 : x
  2. Step 2: Convert to fraction form
    18,671,351.40/28,007,027.10 = 7,308,023.40/x
  3. Step 3: Cross multiply
    18,671,351.40x = 28,007,027.10 × 7,308,023.40
  4. Step 4: Simplify right side
    18,671,351.40x = 204,676,009,411,234.16
  5. Step 5: Solve for x
    x = 204,676,009,411,234.16/18,671,351.40
  6. Step 6: Final answer
    x = 10,962,035.10

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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.