Home / 28,520,743.29-39,363,656.72-16,924,700.67

Finding the Fourth Proportional to 28,520,743.29, 39,363,656.72 and 16,924,700.67

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Solution

The fourth proportional to 28,520,743.29, 39,363,656.72 and 16,924,700.67 is: 23,359,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,743.29 : 39,363,656.72 = 16,924,700.67 : x
  2. Step 2: Convert to fraction form
    28,520,743.29/39,363,656.72 = 16,924,700.67/x
  3. Step 3: Cross multiply
    28,520,743.29x = 39,363,656.72 × 16,924,700.67
  4. Step 4: Simplify right side
    28,520,743.29x = 666,218,107,178,010.62
  5. Step 5: Solve for x
    x = 666,218,107,178,010.62/28,520,743.29
  6. Step 6: Final answer
    x = 23,359,072.39

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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.