Home / 38,845,390.95-53,606,642.40-21,441,740.67

Finding the Fourth Proportional to 38,845,390.95, 53,606,642.40 and 21,441,740.67

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Solution

The fourth proportional to 38,845,390.95, 53,606,642.40 and 21,441,740.67 is: 29,589,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,390.95 : 53,606,642.40 = 21,441,740.67 : x
  2. Step 2: Convert to fraction form
    38,845,390.95/53,606,642.40 = 21,441,740.67/x
  3. Step 3: Cross multiply
    38,845,390.95x = 53,606,642.40 × 21,441,740.67
  4. Step 4: Simplify right side
    38,845,390.95x = 1,149,419,724,530,226.50
  5. Step 5: Solve for x
    x = 1,149,419,724,530,226.50/38,845,390.95
  6. Step 6: Final answer
    x = 29,589,603.72

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1.5x scale

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.