Home / 21,701,951.98-29,935,071.15-12,875,154.03

Finding the Fourth Proportional to 21,701,951.98, 29,935,071.15 and 12,875,154.03

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Solution

The fourth proportional to 21,701,951.98, 29,935,071.15 and 12,875,154.03 is: 17,759,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701,951.98 : 29,935,071.15 = 12,875,154.03 : x
  2. Step 2: Convert to fraction form
    21,701,951.98/29,935,071.15 = 12,875,154.03/x
  3. Step 3: Cross multiply
    21,701,951.98x = 29,935,071.15 × 12,875,154.03
  4. Step 4: Simplify right side
    21,701,951.98x = 385,418,651,891,284.50
  5. Step 5: Solve for x
    x = 385,418,651,891,284.50/21,701,951.98
  6. Step 6: Final answer
    x = 17,759,630.67

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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.