Home / 12,012,855.94-16,564,457.63-7,655,039.74

Finding the Fourth Proportional to 12,012,855.94, 16,564,457.63 and 7,655,039.74

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Solution

The fourth proportional to 12,012,855.94, 16,564,457.63 and 7,655,039.74 is: 10,555,490.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,855.94 : 16,564,457.63 = 7,655,039.74 : x
  2. Step 2: Convert to fraction form
    12,012,855.94/16,564,457.63 = 7,655,039.74/x
  3. Step 3: Cross multiply
    12,012,855.94x = 16,564,457.63 × 7,655,039.74
  4. Step 4: Simplify right side
    12,012,855.94x = 126,801,581,406,922.67
  5. Step 5: Solve for x
    x = 126,801,581,406,922.67/12,012,855.94
  6. Step 6: Final answer
    x = 10,555,490.06

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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.