Home / 10,684,615.79-15,949,557.51-9,391,774.84

Finding the Fourth Proportional to 10,684,615.79, 15,949,557.51 and 9,391,774.84

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Solution

The fourth proportional to 10,684,615.79, 15,949,557.51 and 9,391,774.84 is: 14,019,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684,615.79 : 15,949,557.51 = 9,391,774.84 : x
  2. Step 2: Convert to fraction form
    10,684,615.79/15,949,557.51 = 9,391,774.84/x
  3. Step 3: Cross multiply
    10,684,615.79x = 15,949,557.51 × 9,391,774.84
  4. Step 4: Simplify right side
    10,684,615.79x = 149,794,652,931,551.03
  5. Step 5: Solve for x
    x = 149,794,652,931,551.03/10,684,615.79
  6. Step 6: Final answer
    x = 14,019,657.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.