Home / 30,331,866.81-45,493,315.46-11,158,139.82

Finding the Fourth Proportional to 30,331,866.81, 45,493,315.46 and 11,158,139.82

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Solution

The fourth proportional to 30,331,866.81, 45,493,315.46 and 11,158,139.82 is: 16,735,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331,866.81 : 45,493,315.46 = 11,158,139.82 : x
  2. Step 2: Convert to fraction form
    30,331,866.81/45,493,315.46 = 11,158,139.82/x
  3. Step 3: Cross multiply
    30,331,866.81x = 45,493,315.46 × 11,158,139.82
  4. Step 4: Simplify right side
    30,331,866.81x = 507,620,774,578,476.38
  5. Step 5: Solve for x
    x = 507,620,774,578,476.38/30,331,866.81
  6. Step 6: Final answer
    x = 16,735,559.93

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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.