Home / 12,111,616.29-16,713,561.15-6,885,309.18

Finding the Fourth Proportional to 12,111,616.29, 16,713,561.15 and 6,885,309.18

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Solution

The fourth proportional to 12,111,616.29, 16,713,561.15 and 6,885,309.18 is: 9,501,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,616.29 : 16,713,561.15 = 6,885,309.18 : x
  2. Step 2: Convert to fraction form
    12,111,616.29/16,713,561.15 = 6,885,309.18/x
  3. Step 3: Cross multiply
    12,111,616.29x = 16,713,561.15 × 6,885,309.18
  4. Step 4: Simplify right side
    12,111,616.29x = 115,078,036,016,586.36
  5. Step 5: Solve for x
    x = 115,078,036,016,586.36/12,111,616.29
  6. Step 6: Final answer
    x = 9,501,459.86

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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.