Home / 39,564,005.40-59,298,768.90-20,384,890.20

Finding the Fourth Proportional to 39,564,005.40, 59,298,768.90 and 20,384,890.20

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Solution

The fourth proportional to 39,564,005.40, 59,298,768.90 and 20,384,890.20 is: 30,552,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564,005.40 : 59,298,768.90 = 20,384,890.20 : x
  2. Step 2: Convert to fraction form
    39,564,005.40/59,298,768.90 = 20,384,890.20/x
  3. Step 3: Cross multiply
    39,564,005.40x = 59,298,768.90 × 20,384,890.20
  4. Step 4: Simplify right side
    39,564,005.40x = 1,208,798,893,021,674.75
  5. Step 5: Solve for x
    x = 1,208,798,893,021,674.75/39,564,005.40
  6. Step 6: Final answer
    x = 30,552,995.86

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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.