Home / 11,403,436.60-15,730,776.30-7,051,131.64

Finding the Fourth Proportional to 11,403,436.60, 15,730,776.30 and 7,051,131.64

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Solution

The fourth proportional to 11,403,436.60, 15,730,776.30 and 7,051,131.64 is: 9,726,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403,436.60 : 15,730,776.30 = 7,051,131.64 : x
  2. Step 2: Convert to fraction form
    11,403,436.60/15,730,776.30 = 7,051,131.64/x
  3. Step 3: Cross multiply
    11,403,436.60x = 15,730,776.30 × 7,051,131.64
  4. Step 4: Simplify right side
    11,403,436.60x = 110,919,774,490,692.12
  5. Step 5: Solve for x
    x = 110,919,774,490,692.12/11,403,436.60
  6. Step 6: Final answer
    x = 9,726,872.55

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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.