Home / 30,872,317.67-42,653,840.47-26,274,688.73

Finding the Fourth Proportional to 30,872,317.67, 42,653,840.47 and 26,274,688.73

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Solution

The fourth proportional to 30,872,317.67, 42,653,840.47 and 26,274,688.73 is: 36,301,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872,317.67 : 42,653,840.47 = 26,274,688.73 : x
  2. Step 2: Convert to fraction form
    30,872,317.67/42,653,840.47 = 26,274,688.73/x
  3. Step 3: Cross multiply
    30,872,317.67x = 42,653,840.47 × 26,274,688.73
  4. Step 4: Simplify right side
    30,872,317.67x = 1,120,716,381,209,371.12
  5. Step 5: Solve for x
    x = 1,120,716,381,209,371.12/30,872,317.67
  6. Step 6: Final answer
    x = 36,301,660.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.