Home / 18,878,108.84-28,321,423.76-5,748,701.22

Finding the Fourth Proportional to 18,878,108.84, 28,321,423.76 and 5,748,701.22

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Solution

The fourth proportional to 18,878,108.84, 28,321,423.76 and 5,748,701.22 is: 8,624,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,108.84 : 28,321,423.76 = 5,748,701.22 : x
  2. Step 2: Convert to fraction form
    18,878,108.84/28,321,423.76 = 5,748,701.22/x
  3. Step 3: Cross multiply
    18,878,108.84x = 28,321,423.76 × 5,748,701.22
  4. Step 4: Simplify right side
    18,878,108.84x = 162,811,403,321,249
  5. Step 5: Solve for x
    x = 162,811,403,321,249/18,878,108.84
  6. Step 6: Final answer
    x = 8,624,349.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.