Home / 13,207,697.64-19,808,221.50-5,117,897.16

Finding the Fourth Proportional to 13,207,697.64, 19,808,221.50 and 5,117,897.16

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Solution

The fourth proportional to 13,207,697.64, 19,808,221.50 and 5,117,897.16 is: 7,675,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,697.64 : 19,808,221.50 = 5,117,897.16 : x
  2. Step 2: Convert to fraction form
    13,207,697.64/19,808,221.50 = 5,117,897.16/x
  3. Step 3: Cross multiply
    13,207,697.64x = 19,808,221.50 × 5,117,897.16
  4. Step 4: Simplify right side
    13,207,697.64x = 101,376,440,559,500.94
  5. Step 5: Solve for x
    x = 101,376,440,559,500.94/13,207,697.64
  6. Step 6: Final answer
    x = 7,675,557.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.