Home / 18,639,580.28-27,960,985.01-5,688,644.58

Finding the Fourth Proportional to 18,639,580.28, 27,960,985.01 and 5,688,644.58

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Solution

The fourth proportional to 18,639,580.28, 27,960,985.01 and 5,688,644.58 is: 8,533,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,580.28 : 27,960,985.01 = 5,688,644.58 : x
  2. Step 2: Convert to fraction form
    18,639,580.28/27,960,985.01 = 5,688,644.58/x
  3. Step 3: Cross multiply
    18,639,580.28x = 27,960,985.01 × 5,688,644.58
  4. Step 4: Simplify right side
    18,639,580.28x = 159,060,105,842,819.34
  5. Step 5: Solve for x
    x = 159,060,105,842,819.34/18,639,580.28
  6. Step 6: Final answer
    x = 8,533,459.63

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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.