Home / 18,209,448.58-27,316,011.45-5,912,897.77

Finding the Fourth Proportional to 18,209,448.58, 27,316,011.45 and 5,912,897.77

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Solution

The fourth proportional to 18,209,448.58, 27,316,011.45 and 5,912,897.77 is: 8,869,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,448.58 : 27,316,011.45 = 5,912,897.77 : x
  2. Step 2: Convert to fraction form
    18,209,448.58/27,316,011.45 = 5,912,897.77/x
  3. Step 3: Cross multiply
    18,209,448.58x = 27,316,011.45 × 5,912,897.77
  4. Step 4: Simplify right side
    18,209,448.58x = 161,516,783,187,999.44
  5. Step 5: Solve for x
    x = 161,516,783,187,999.44/18,209,448.58
  6. Step 6: Final answer
    x = 8,869,943.67

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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.