Home / 13,283,700.48-19,908,442.85-6,447,043.17

Finding the Fourth Proportional to 13,283,700.48, 19,908,442.85 and 6,447,043.17

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Solution

The fourth proportional to 13,283,700.48, 19,908,442.85 and 6,447,043.17 is: 9,662,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,700.48 : 19,908,442.85 = 6,447,043.17 : x
  2. Step 2: Convert to fraction form
    13,283,700.48/19,908,442.85 = 6,447,043.17/x
  3. Step 3: Cross multiply
    13,283,700.48x = 19,908,442.85 × 6,447,043.17
  4. Step 4: Simplify right side
    13,283,700.48x = 128,350,590,469,192.61
  5. Step 5: Solve for x
    x = 128,350,590,469,192.61/13,283,700.48
  6. Step 6: Final answer
    x = 9,662,261.71

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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.