Home / 47,399,603.13-71,099,403.84-13,320,949.01

Finding the Fourth Proportional to 47,399,603.13, 71,099,403.84 and 13,320,949.01

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Solution

The fourth proportional to 47,399,603.13, 71,099,403.84 and 13,320,949.01 is: 19,981,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399,603.13 : 71,099,403.84 = 13,320,949.01 : x
  2. Step 2: Convert to fraction form
    47,399,603.13/71,099,403.84 = 13,320,949.01/x
  3. Step 3: Cross multiply
    47,399,603.13x = 71,099,403.84 × 13,320,949.01
  4. Step 4: Simplify right side
    47,399,603.13x = 947,111,532,838,541.25
  5. Step 5: Solve for x
    x = 947,111,532,838,541.25/47,399,603.13
  6. Step 6: Final answer
    x = 19,981,423.27

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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.