Home / 18,376,947.80-27,565,421.70-15,507,166.40

Finding the Fourth Proportional to 18,376,947.80, 27,565,421.70 and 15,507,166.40

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Solution

The fourth proportional to 18,376,947.80, 27,565,421.70 and 15,507,166.40 is: 23,260,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,947.80 : 27,565,421.70 = 15,507,166.40 : x
  2. Step 2: Convert to fraction form
    18,376,947.80/27,565,421.70 = 15,507,166.40/x
  3. Step 3: Cross multiply
    18,376,947.80x = 27,565,421.70 × 15,507,166.40
  4. Step 4: Simplify right side
    18,376,947.80x = 427,461,581,188,070.88
  5. Step 5: Solve for x
    x = 427,461,581,188,070.88/18,376,947.80
  6. Step 6: Final answer
    x = 23,260,749.60

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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.