Home / 13,997,929-19,317,142.28-7,559,401

Finding the Fourth Proportional to 13,997,929, 19,317,142.28 and 7,559,401

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Solution

The fourth proportional to 13,997,929, 19,317,142.28 and 7,559,401 is: 10,431,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,929 : 19,317,142.28 = 7,559,401 : x
  2. Step 2: Convert to fraction form
    13,997,929/19,317,142.28 = 7,559,401/x
  3. Step 3: Cross multiply
    13,997,929x = 19,317,142.28 × 7,559,401
  4. Step 4: Simplify right side
    13,997,929x = 146,026,024,668,574.28
  5. Step 5: Solve for x
    x = 146,026,024,668,574.28/13,997,929
  6. Step 6: Final answer
    x = 10,431,973.52

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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.