Home / 12,249,990.03-16,905,201.25-6,668,397.04

Finding the Fourth Proportional to 12,249,990.03, 16,905,201.25 and 6,668,397.04

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Solution

The fourth proportional to 12,249,990.03, 16,905,201.25 and 6,668,397.04 is: 9,202,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,990.03 : 16,905,201.25 = 6,668,397.04 : x
  2. Step 2: Convert to fraction form
    12,249,990.03/16,905,201.25 = 6,668,397.04/x
  3. Step 3: Cross multiply
    12,249,990.03x = 16,905,201.25 × 6,668,397.04
  4. Step 4: Simplify right side
    12,249,990.03x = 112,730,593,976,104.30
  5. Step 5: Solve for x
    x = 112,730,593,976,104.30/12,249,990.03
  6. Step 6: Final answer
    x = 9,202,504.96

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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.