Home / 13,142,970.79-19,716,324.05-4,045,825.15

Finding the Fourth Proportional to 13,142,970.79, 19,716,324.05 and 4,045,825.15

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Solution

The fourth proportional to 13,142,970.79, 19,716,324.05 and 4,045,825.15 is: 6,069,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,970.79 : 19,716,324.05 = 4,045,825.15 : x
  2. Step 2: Convert to fraction form
    13,142,970.79/19,716,324.05 = 4,045,825.15/x
  3. Step 3: Cross multiply
    13,142,970.79x = 19,716,324.05 × 4,045,825.15
  4. Step 4: Simplify right side
    13,142,970.79x = 79,768,799,707,039.86
  5. Step 5: Solve for x
    x = 79,768,799,707,039.86/13,142,970.79
  6. Step 6: Final answer
    x = 6,069,312.71

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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.