Home / 42,971,751-64,459,405.26-12,679,614

Finding the Fourth Proportional to 42,971,751, 64,459,405.26 and 12,679,614

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Solution

The fourth proportional to 42,971,751, 64,459,405.26 and 12,679,614 is: 19,019,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,971,751 : 64,459,405.26 = 12,679,614 : x
  2. Step 2: Convert to fraction form
    42,971,751/64,459,405.26 = 12,679,614/x
  3. Step 3: Cross multiply
    42,971,751x = 64,459,405.26 × 12,679,614
  4. Step 4: Simplify right side
    42,971,751x = 817,320,377,366,369.62
  5. Step 5: Solve for x
    x = 817,320,377,366,369.62/42,971,751
  6. Step 6: Final answer
    x = 19,019,945.86

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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.