Home / 12,699,885.23-17,526,322.44-7,118,233.98

Finding the Fourth Proportional to 12,699,885.23, 17,526,322.44 and 7,118,233.98

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Solution

The fourth proportional to 12,699,885.23, 17,526,322.44 and 7,118,233.98 is: 9,823,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,885.23 : 17,526,322.44 = 7,118,233.98 : x
  2. Step 2: Convert to fraction form
    12,699,885.23/17,526,322.44 = 7,118,233.98/x
  3. Step 3: Cross multiply
    12,699,885.23x = 17,526,322.44 × 7,118,233.98
  4. Step 4: Simplify right side
    12,699,885.23x = 124,756,463,963,537.91
  5. Step 5: Solve for x
    x = 124,756,463,963,537.91/12,699,885.23
  6. Step 6: Final answer
    x = 9,823,432.39

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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.