Home / 28,885,346.48-39,865,865.61-17,875,641.98

Finding the Fourth Proportional to 28,885,346.48, 39,865,865.61 and 17,875,641.98

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Solution

The fourth proportional to 28,885,346.48, 39,865,865.61 and 17,875,641.98 is: 24,670,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885,346.48 : 39,865,865.61 = 17,875,641.98 : x
  2. Step 2: Convert to fraction form
    28,885,346.48/39,865,865.61 = 17,875,641.98/x
  3. Step 3: Cross multiply
    28,885,346.48x = 39,865,865.61 × 17,875,641.98
  4. Step 4: Simplify right side
    28,885,346.48x = 712,627,940,667,825
  5. Step 5: Solve for x
    x = 712,627,940,667,825/28,885,346.48
  6. Step 6: Final answer
    x = 24,670,915.45

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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.