Home / 9,709,897.61-13,399,687.12-5,299,663.88

Finding the Fourth Proportional to 9,709,897.61, 13,399,687.12 and 5,299,663.88

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Solution

The fourth proportional to 9,709,897.61, 13,399,687.12 and 5,299,663.88 is: 7,313,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,897.61 : 13,399,687.12 = 5,299,663.88 : x
  2. Step 2: Convert to fraction form
    9,709,897.61/13,399,687.12 = 5,299,663.88/x
  3. Step 3: Cross multiply
    9,709,897.61x = 13,399,687.12 × 5,299,663.88
  4. Step 4: Simplify right side
    9,709,897.61x = 71,013,837,833,165.22
  5. Step 5: Solve for x
    x = 71,013,837,833,165.22/9,709,897.61
  6. Step 6: Final answer
    x = 7,313,551.67

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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.