Home / 30,311,969.29-45,437,310.02-13,051,426.57

Finding the Fourth Proportional to 30,311,969.29, 45,437,310.02 and 13,051,426.57

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Solution

The fourth proportional to 30,311,969.29, 45,437,310.02 and 13,051,426.57 is: 19,563,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,969.29 : 45,437,310.02 = 13,051,426.57 : x
  2. Step 2: Convert to fraction form
    30,311,969.29/45,437,310.02 = 13,051,426.57/x
  3. Step 3: Cross multiply
    30,311,969.29x = 45,437,310.02 × 13,051,426.57
  4. Step 4: Simplify right side
    30,311,969.29x = 593,021,715,199,098.12
  5. Step 5: Solve for x
    x = 593,021,715,199,098.12/30,311,969.29
  6. Step 6: Final answer
    x = 19,563,945.50

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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.