Home / 30,974,438.10-46,461,657.15-18,881,202.90

Finding the Fourth Proportional to 30,974,438.10, 46,461,657.15 and 18,881,202.90

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Solution

The fourth proportional to 30,974,438.10, 46,461,657.15 and 18,881,202.90 is: 28,321,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974,438.10 : 46,461,657.15 = 18,881,202.90 : x
  2. Step 2: Convert to fraction form
    30,974,438.10/46,461,657.15 = 18,881,202.90/x
  3. Step 3: Cross multiply
    30,974,438.10x = 46,461,657.15 × 18,881,202.90
  4. Step 4: Simplify right side
    30,974,438.10x = 877,251,975,719,385.62
  5. Step 5: Solve for x
    x = 877,251,975,719,385.62/30,974,438.10
  6. Step 6: Final answer
    x = 28,321,804.35

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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.