Home / 8,685,457.44-11,984,963.68-4,817,009.20

Finding the Fourth Proportional to 8,685,457.44, 11,984,963.68 and 4,817,009.20

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Solution

The fourth proportional to 8,685,457.44, 11,984,963.68 and 4,817,009.20 is: 6,646,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,457.44 : 11,984,963.68 = 4,817,009.20 : x
  2. Step 2: Convert to fraction form
    8,685,457.44/11,984,963.68 = 4,817,009.20/x
  3. Step 3: Cross multiply
    8,685,457.44x = 11,984,963.68 × 4,817,009.20
  4. Step 4: Simplify right side
    8,685,457.44x = 57,731,680,308,225.86
  5. Step 5: Solve for x
    x = 57,731,680,308,225.86/8,685,457.44
  6. Step 6: Final answer
    x = 6,646,936.07

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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.