Home / 53,219,909.92-79,829,165.04-12,830,069.92

Finding the Fourth Proportional to 53,219,909.92, 79,829,165.04 and 12,830,069.92

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Solution

The fourth proportional to 53,219,909.92, 79,829,165.04 and 12,830,069.92 is: 19,244,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219,909.92 : 79,829,165.04 = 12,830,069.92 : x
  2. Step 2: Convert to fraction form
    53,219,909.92/79,829,165.04 = 12,830,069.92/x
  3. Step 3: Cross multiply
    53,219,909.92x = 79,829,165.04 × 12,830,069.92
  4. Step 4: Simplify right side
    53,219,909.92x = 1,024,213,769,118,419.62
  5. Step 5: Solve for x
    x = 1,024,213,769,118,419.62/53,219,909.92
  6. Step 6: Final answer
    x = 19,244,936.17

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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.