Home / 28,459,018.48-39,273,437.10-15,406,267.72

Finding the Fourth Proportional to 28,459,018.48, 39,273,437.10 and 15,406,267.72

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Solution

The fourth proportional to 28,459,018.48, 39,273,437.10 and 15,406,267.72 is: 21,260,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,018.48 : 39,273,437.10 = 15,406,267.72 : x
  2. Step 2: Convert to fraction form
    28,459,018.48/39,273,437.10 = 15,406,267.72/x
  3. Step 3: Cross multiply
    28,459,018.48x = 39,273,437.10 × 15,406,267.72
  4. Step 4: Simplify right side
    28,459,018.48x = 605,057,086,247,180.50
  5. Step 5: Solve for x
    x = 605,057,086,247,180.50/28,459,018.48
  6. Step 6: Final answer
    x = 21,260,644.90

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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.