Home / 28,662,299.84-39,548,539.34-18,210,017.86

Finding the Fourth Proportional to 28,662,299.84, 39,548,539.34 and 18,210,017.86

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Solution

The fourth proportional to 28,662,299.84, 39,548,539.34 and 18,210,017.86 is: 25,126,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,299.84 : 39,548,539.34 = 18,210,017.86 : x
  2. Step 2: Convert to fraction form
    28,662,299.84/39,548,539.34 = 18,210,017.86/x
  3. Step 3: Cross multiply
    28,662,299.84x = 39,548,539.34 × 18,210,017.86
  4. Step 4: Simplify right side
    28,662,299.84x = 720,179,607,596,678.75
  5. Step 5: Solve for x
    x = 720,179,607,596,678.75/28,662,299.84
  6. Step 6: Final answer
    x = 25,126,371.98

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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.