Home / 15,788,639.08-21,788,746.50-9,591,577.48

Finding the Fourth Proportional to 15,788,639.08, 21,788,746.50 and 9,591,577.48

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Solution

The fourth proportional to 15,788,639.08, 21,788,746.50 and 9,591,577.48 is: 13,236,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,639.08 : 21,788,746.50 = 9,591,577.48 : x
  2. Step 2: Convert to fraction form
    15,788,639.08/21,788,746.50 = 9,591,577.48/x
  3. Step 3: Cross multiply
    15,788,639.08x = 21,788,746.50 × 9,591,577.48
  4. Step 4: Simplify right side
    15,788,639.08x = 208,988,450,246,828.84
  5. Step 5: Solve for x
    x = 208,988,450,246,828.84/15,788,639.08
  6. Step 6: Final answer
    x = 13,236,634.85

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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.