Home / 10,032,978.02-13,845,433.53-5,449,332.20

Finding the Fourth Proportional to 10,032,978.02, 13,845,433.53 and 5,449,332.20

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Solution

The fourth proportional to 10,032,978.02, 13,845,433.53 and 5,449,332.20 is: 7,520,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032,978.02 : 13,845,433.53 = 5,449,332.20 : x
  2. Step 2: Convert to fraction form
    10,032,978.02/13,845,433.53 = 5,449,332.20/x
  3. Step 3: Cross multiply
    10,032,978.02x = 13,845,433.53 × 5,449,332.20
  4. Step 4: Simplify right side
    10,032,978.02x = 75,448,366,757,988.67
  5. Step 5: Solve for x
    x = 75,448,366,757,988.67/10,032,978.02
  6. Step 6: Final answer
    x = 7,520,037.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.