Home / 47,553,915.39-71,308,386.68-18,421,398.69

Finding the Fourth Proportional to 47,553,915.39, 71,308,386.68 and 18,421,398.69

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Solution

The fourth proportional to 47,553,915.39, 71,308,386.68 and 18,421,398.69 is: 27,623,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,553,915.39 : 71,308,386.68 = 18,421,398.69 : x
  2. Step 2: Convert to fraction form
    47,553,915.39/71,308,386.68 = 18,421,398.69/x
  3. Step 3: Cross multiply
    47,553,915.39x = 71,308,386.68 × 18,421,398.69
  4. Step 4: Simplify right side
    47,553,915.39x = 1,313,600,220,880,858.50
  5. Step 5: Solve for x
    x = 1,313,600,220,880,858.50/47,553,915.39
  6. Step 6: Final answer
    x = 27,623,387.27

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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.