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Finding the Fourth Proportional to 30,974,441.10, 46,461,661.65 and 18,881,205.90

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Solution

The fourth proportional to 30,974,441.10, 46,461,661.65 and 18,881,205.90 is: 28,321,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974,441.10 : 46,461,661.65 = 18,881,205.90 : x
  2. Step 2: Convert to fraction form
    30,974,441.10/46,461,661.65 = 18,881,205.90/x
  3. Step 3: Cross multiply
    30,974,441.10x = 46,461,661.65 × 18,881,205.90
  4. Step 4: Simplify right side
    30,974,441.10x = 877,252,200,069,783.62
  5. Step 5: Solve for x
    x = 877,252,200,069,783.62/30,974,441.10
  6. Step 6: Final answer
    x = 28,321,808.85

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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.