Home / 10,121,277.06-13,952,835.10-7,215,623.40

Finding the Fourth Proportional to 10,121,277.06, 13,952,835.10 and 7,215,623.40

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Solution

The fourth proportional to 10,121,277.06, 13,952,835.10 and 7,215,623.40 is: 9,947,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,277.06 : 13,952,835.10 = 7,215,623.40 : x
  2. Step 2: Convert to fraction form
    10,121,277.06/13,952,835.10 = 7,215,623.40/x
  3. Step 3: Cross multiply
    10,121,277.06x = 13,952,835.10 × 7,215,623.40
  4. Step 4: Simplify right side
    10,121,277.06x = 100,678,403,443,901.34
  5. Step 5: Solve for x
    x = 100,678,403,443,901.34/10,121,277.06
  6. Step 6: Final answer
    x = 9,947,203.58

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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.