Home / 47,780,710.74-71,671,322.07-11,878,918.74

Finding the Fourth Proportional to 47,780,710.74, 71,671,322.07 and 11,878,918.74

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Solution

The fourth proportional to 47,780,710.74, 71,671,322.07 and 11,878,918.74 is: 17,818,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,710.74 : 71,671,322.07 = 11,878,918.74 : x
  2. Step 2: Convert to fraction form
    47,780,710.74/71,671,322.07 = 11,878,918.74/x
  3. Step 3: Cross multiply
    47,780,710.74x = 71,671,322.07 × 11,878,918.74
  4. Step 4: Simplify right side
    47,780,710.74x = 851,377,810,857,898.50
  5. Step 5: Solve for x
    x = 851,377,810,857,898.50/47,780,710.74
  6. Step 6: Final answer
    x = 17,818,441.75

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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.