Home / 28,813,065.95-39,761,563.16-15,760,210.69

Finding the Fourth Proportional to 28,813,065.95, 39,761,563.16 and 15,760,210.69

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Solution

The fourth proportional to 28,813,065.95, 39,761,563.16 and 15,760,210.69 is: 21,748,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813,065.95 : 39,761,563.16 = 15,760,210.69 : x
  2. Step 2: Convert to fraction form
    28,813,065.95/39,761,563.16 = 15,760,210.69/x
  3. Step 3: Cross multiply
    28,813,065.95x = 39,761,563.16 × 15,760,210.69
  4. Step 4: Simplify right side
    28,813,065.95x = 626,650,612,765,342.12
  5. Step 5: Solve for x
    x = 626,650,612,765,342.12/28,813,065.95
  6. Step 6: Final answer
    x = 21,748,834.85

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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.