Home / 13,490,264.88-20,235,659.76-4,966,213.68

Finding the Fourth Proportional to 13,490,264.88, 20,235,659.76 and 4,966,213.68

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Solution

The fourth proportional to 13,490,264.88, 20,235,659.76 and 4,966,213.68 is: 7,449,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,264.88 : 20,235,659.76 = 4,966,213.68 : x
  2. Step 2: Convert to fraction form
    13,490,264.88/20,235,659.76 = 4,966,213.68/x
  3. Step 3: Cross multiply
    13,490,264.88x = 20,235,659.76 × 4,966,213.68
  4. Step 4: Simplify right side
    13,490,264.88x = 100,494,610,323,937.52
  5. Step 5: Solve for x
    x = 100,494,610,323,937.52/13,490,264.88
  6. Step 6: Final answer
    x = 7,449,417.13

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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.