Home / 28,813,066.95-39,761,564.54-15,760,211.69

Finding the Fourth Proportional to 28,813,066.95, 39,761,564.54 and 15,760,211.69

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Solution

The fourth proportional to 28,813,066.95, 39,761,564.54 and 15,760,211.69 is: 21,748,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813,066.95 : 39,761,564.54 = 15,760,211.69 : x
  2. Step 2: Convert to fraction form
    28,813,066.95/39,761,564.54 = 15,760,211.69/x
  3. Step 3: Cross multiply
    28,813,066.95x = 39,761,564.54 × 15,760,211.69
  4. Step 4: Simplify right side
    28,813,066.95x = 626,650,674,275,997.50
  5. Step 5: Solve for x
    x = 626,650,674,275,997.50/28,813,066.95
  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.