Home / 10,142,435.82-15,210,438.74-3,317,430.90

Finding the Fourth Proportional to 10,142,435.82, 15,210,438.74 and 3,317,430.90

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Solution

The fourth proportional to 10,142,435.82, 15,210,438.74 and 3,317,430.90 is: 4,975,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,435.82 : 15,210,438.74 = 3,317,430.90 : x
  2. Step 2: Convert to fraction form
    10,142,435.82/15,210,438.74 = 3,317,430.90/x
  3. Step 3: Cross multiply
    10,142,435.82x = 15,210,438.74 × 3,317,430.90
  4. Step 4: Simplify right side
    10,142,435.82x = 50,459,579,478,633.06
  5. Step 5: Solve for x
    x = 50,459,579,478,633.06/10,142,435.82
  6. Step 6: Final answer
    x = 4,975,094.78

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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.