Home / 28,885,003.68-39,865,387.77-17,875,299.45

Finding the Fourth Proportional to 28,885,003.68, 39,865,387.77 and 17,875,299.45

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Solution

The fourth proportional to 28,885,003.68, 39,865,387.77 and 17,875,299.45 is: 24,670,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885,003.68 : 39,865,387.77 = 17,875,299.45 : x
  2. Step 2: Convert to fraction form
    28,885,003.68/39,865,387.77 = 17,875,299.45/x
  3. Step 3: Cross multiply
    28,885,003.68x = 39,865,387.77 × 17,875,299.45
  4. Step 4: Simplify right side
    28,885,003.68x = 712,605,744,079,117.75
  5. Step 5: Solve for x
    x = 712,605,744,079,117.75/28,885,003.68
  6. Step 6: Final answer
    x = 24,670,439.79

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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.