Home / 10,318,835.40-15,478,603-2,745,808.44

Finding the Fourth Proportional to 10,318,835.40, 15,478,603 and 2,745,808.44

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Solution

The fourth proportional to 10,318,835.40, 15,478,603 and 2,745,808.44 is: 4,118,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,835.40 : 15,478,603 = 2,745,808.44 : x
  2. Step 2: Convert to fraction form
    10,318,835.40/15,478,603 = 2,745,808.44/x
  3. Step 3: Cross multiply
    10,318,835.40x = 15,478,603 × 2,745,808.44
  4. Step 4: Simplify right side
    10,318,835.40x = 42,501,278,756,809.32
  5. Step 5: Solve for x
    x = 42,501,278,756,809.32/10,318,835.40
  6. Step 6: Final answer
    x = 4,118,805.77

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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.