Home / 9,715,129.44-13,406,943.44-5,304,885.72

Finding the Fourth Proportional to 9,715,129.44, 13,406,943.44 and 5,304,885.72

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Solution

The fourth proportional to 9,715,129.44, 13,406,943.44 and 5,304,885.72 is: 7,320,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,129.44 : 13,406,943.44 = 5,304,885.72 : x
  2. Step 2: Convert to fraction form
    9,715,129.44/13,406,943.44 = 5,304,885.72/x
  3. Step 3: Cross multiply
    9,715,129.44x = 13,406,943.44 × 5,304,885.72
  4. Step 4: Simplify right side
    9,715,129.44x = 71,122,302,803,703.67
  5. Step 5: Solve for x
    x = 71,122,302,803,703.67/9,715,129.44
  6. Step 6: Final answer
    x = 7,320,777.68

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1.5x scale

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.