Home / 28,813,066.96-39,761,564.54-15,760,211.70

Finding the Fourth Proportional to 28,813,066.96, 39,761,564.54 and 15,760,211.70

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Solution

The fourth proportional to 28,813,066.96, 39,761,564.54 and 15,760,211.70 is: 21,748,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813,066.96 : 39,761,564.54 = 15,760,211.70 : x
  2. Step 2: Convert to fraction form
    28,813,066.96/39,761,564.54 = 15,760,211.70/x
  3. Step 3: Cross multiply
    28,813,066.96x = 39,761,564.54 × 15,760,211.70
  4. Step 4: Simplify right side
    28,813,066.96x = 626,650,674,673,613.12
  5. Step 5: Solve for x
    x = 626,650,674,673,613.12/28,813,066.96
  6. Step 6: Final answer
    x = 21,748,836.23

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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.