Home / 47,291,208.10-70,936,812.15-13,212,499.30

Finding the Fourth Proportional to 47,291,208.10, 70,936,812.15 and 13,212,499.30

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Solution

The fourth proportional to 47,291,208.10, 70,936,812.15 and 13,212,499.30 is: 19,818,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291,208.10 : 70,936,812.15 = 13,212,499.30 : x
  2. Step 2: Convert to fraction form
    47,291,208.10/70,936,812.15 = 13,212,499.30/x
  3. Step 3: Cross multiply
    47,291,208.10x = 70,936,812.15 × 13,212,499.30
  4. Step 4: Simplify right side
    47,291,208.10x = 937,252,580,876,106.62
  5. Step 5: Solve for x
    x = 937,252,580,876,106.62/47,291,208.10
  6. Step 6: Final answer
    x = 19,818,748.95

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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.