Home / 28,520,755.29-39,363,673.32-16,924,712.67

Finding the Fourth Proportional to 28,520,755.29, 39,363,673.32 and 16,924,712.67

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Solution

The fourth proportional to 28,520,755.29, 39,363,673.32 and 16,924,712.67 is: 23,359,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,755.29 : 39,363,673.32 = 16,924,712.67 : x
  2. Step 2: Convert to fraction form
    28,520,755.29/39,363,673.32 = 16,924,712.67/x
  3. Step 3: Cross multiply
    28,520,755.29x = 39,363,673.32 × 16,924,712.67
  4. Step 4: Simplify right side
    28,520,755.29x = 666,218,860,576,745
  5. Step 5: Solve for x
    x = 666,218,860,576,745/28,520,755.29
  6. Step 6: Final answer
    x = 23,359,088.98

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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.