Home / 42,487,174.50-63,730,664.48-18,210,359.94

Finding the Fourth Proportional to 42,487,174.50, 63,730,664.48 and 18,210,359.94

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Solution

The fourth proportional to 42,487,174.50, 63,730,664.48 and 18,210,359.94 is: 27,315,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487,174.50 : 63,730,664.48 = 18,210,359.94 : x
  2. Step 2: Convert to fraction form
    42,487,174.50/63,730,664.48 = 18,210,359.94/x
  3. Step 3: Cross multiply
    42,487,174.50x = 63,730,664.48 × 18,210,359.94
  4. Step 4: Simplify right side
    42,487,174.50x = 1,160,558,339,396,173
  5. Step 5: Solve for x
    x = 1,160,558,339,396,173/42,487,174.50
  6. Step 6: Final answer
    x = 27,315,498.22

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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.