Home / 13,341,953.29-18,411,911.28-7,230,381.79

Finding the Fourth Proportional to 13,341,953.29, 18,411,911.28 and 7,230,381.79

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Solution

The fourth proportional to 13,341,953.29, 18,411,911.28 and 7,230,381.79 is: 9,977,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,953.29 : 18,411,911.28 = 7,230,381.79 : x
  2. Step 2: Convert to fraction form
    13,341,953.29/18,411,911.28 = 7,230,381.79/x
  3. Step 3: Cross multiply
    13,341,953.29x = 18,411,911.28 × 7,230,381.79
  4. Step 4: Simplify right side
    13,341,953.29x = 133,125,147,909,796.12
  5. Step 5: Solve for x
    x = 133,125,147,909,796.12/13,341,953.29
  6. Step 6: Final answer
    x = 9,977,935.39

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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.