Home / 25,865,998.40-38,785,000.80-10,721,460.80

Finding the Fourth Proportional to 25,865,998.40, 38,785,000.80 and 10,721,460.80

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Solution

The fourth proportional to 25,865,998.40, 38,785,000.80 and 10,721,460.80 is: 16,076,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865,998.40 : 38,785,000.80 = 10,721,460.80 : x
  2. Step 2: Convert to fraction form
    25,865,998.40/38,785,000.80 = 10,721,460.80/x
  3. Step 3: Cross multiply
    25,865,998.40x = 38,785,000.80 × 10,721,460.80
  4. Step 4: Simplify right side
    25,865,998.40x = 415,831,865,705,168.62
  5. Step 5: Solve for x
    x = 415,831,865,705,168.62/25,865,998.40
  6. Step 6: Final answer
    x = 16,076,389.52

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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.