Home / 19,122,975.77-26,388,938.70-10,420,962.91

Finding the Fourth Proportional to 19,122,975.77, 26,388,938.70 and 10,420,962.91

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Solution

The fourth proportional to 19,122,975.77, 26,388,938.70 and 10,420,962.91 is: 14,380,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122,975.77 : 26,388,938.70 = 10,420,962.91 : x
  2. Step 2: Convert to fraction form
    19,122,975.77/26,388,938.70 = 10,420,962.91/x
  3. Step 3: Cross multiply
    19,122,975.77x = 26,388,938.70 × 10,420,962.91
  4. Step 4: Simplify right side
    19,122,975.77x = 274,998,151,360,991.28
  5. Step 5: Solve for x
    x = 274,998,151,360,991.28/19,122,975.77
  6. Step 6: Final answer
    x = 14,380,510.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.