Home / 13,592,957.49-20,389,436.64-12,761,547.57

Finding the Fourth Proportional to 13,592,957.49, 20,389,436.64 and 12,761,547.57

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Solution

The fourth proportional to 13,592,957.49, 20,389,436.64 and 12,761,547.57 is: 19,142,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592,957.49 : 20,389,436.64 = 12,761,547.57 : x
  2. Step 2: Convert to fraction form
    13,592,957.49/20,389,436.64 = 12,761,547.57/x
  3. Step 3: Cross multiply
    13,592,957.49x = 20,389,436.64 × 12,761,547.57
  4. Step 4: Simplify right side
    13,592,957.49x = 260,200,765,606,860.97
  5. Step 5: Solve for x
    x = 260,200,765,606,860.97/13,592,957.49
  6. Step 6: Final answer
    x = 19,142,321.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.