Home / 19,858,005.02-27,406,265.90-12,021,835.05

Finding the Fourth Proportional to 19,858,005.02, 27,406,265.90 and 12,021,835.05

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Solution

The fourth proportional to 19,858,005.02, 27,406,265.90 and 12,021,835.05 is: 16,591,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858,005.02 : 27,406,265.90 = 12,021,835.05 : x
  2. Step 2: Convert to fraction form
    19,858,005.02/27,406,265.90 = 12,021,835.05/x
  3. Step 3: Cross multiply
    19,858,005.02x = 27,406,265.90 × 12,021,835.05
  4. Step 4: Simplify right side
    19,858,005.02x = 329,473,607,926,130.62
  5. Step 5: Solve for x
    x = 329,473,607,926,130.62/19,858,005.02
  6. Step 6: Final answer
    x = 16,591,475.71

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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.