Home / 13,142,969.79-19,716,322.55-4,045,824.15

Finding the Fourth Proportional to 13,142,969.79, 19,716,322.55 and 4,045,824.15

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Solution

The fourth proportional to 13,142,969.79, 19,716,322.55 and 4,045,824.15 is: 6,069,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,969.79 : 19,716,322.55 = 4,045,824.15 : x
  2. Step 2: Convert to fraction form
    13,142,969.79/19,716,322.55 = 4,045,824.15/x
  3. Step 3: Cross multiply
    13,142,969.79x = 19,716,322.55 × 4,045,824.15
  4. Step 4: Simplify right side
    13,142,969.79x = 79,768,773,901,750.47
  5. Step 5: Solve for x
    x = 79,768,773,901,750.47/13,142,969.79
  6. Step 6: Final answer
    x = 6,069,311.21

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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.