Home / 12,230,988.49-16,878,774.94-6,724,457.02

Finding the Fourth Proportional to 12,230,988.49, 16,878,774.94 and 6,724,457.02

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Solution

The fourth proportional to 12,230,988.49, 16,878,774.94 and 6,724,457.02 is: 9,279,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,988.49 : 16,878,774.94 = 6,724,457.02 : x
  2. Step 2: Convert to fraction form
    12,230,988.49/16,878,774.94 = 6,724,457.02/x
  3. Step 3: Cross multiply
    12,230,988.49x = 16,878,774.94 × 6,724,457.02
  4. Step 4: Simplify right side
    12,230,988.49x = 113,500,596,638,570.41
  5. Step 5: Solve for x
    x = 113,500,596,638,570.41/12,230,988.49
  6. Step 6: Final answer
    x = 9,279,756.64

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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.