Home / 8,954,603.60-12,353,764.93-5,645,809.79

Finding the Fourth Proportional to 8,954,603.60, 12,353,764.93 and 5,645,809.79

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Solution

The fourth proportional to 8,954,603.60, 12,353,764.93 and 5,645,809.79 is: 7,788,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954,603.60 : 12,353,764.93 = 5,645,809.79 : x
  2. Step 2: Convert to fraction form
    8,954,603.60/12,353,764.93 = 5,645,809.79/x
  3. Step 3: Cross multiply
    8,954,603.60x = 12,353,764.93 × 5,645,809.79
  4. Step 4: Simplify right side
    8,954,603.60x = 69,747,006,955,595.94
  5. Step 5: Solve for x
    x = 69,747,006,955,595.94/8,954,603.60
  6. Step 6: Final answer
    x = 7,788,955.28

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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.