Home / 20,724,884.70-31,087,035.45-9,365,315.10

Finding the Fourth Proportional to 20,724,884.70, 31,087,035.45 and 9,365,315.10

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Solution

The fourth proportional to 20,724,884.70, 31,087,035.45 and 9,365,315.10 is: 14,047,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,884.70 : 31,087,035.45 = 9,365,315.10 : x
  2. Step 2: Convert to fraction form
    20,724,884.70/31,087,035.45 = 9,365,315.10/x
  3. Step 3: Cross multiply
    20,724,884.70x = 31,087,035.45 × 9,365,315.10
  4. Step 4: Simplify right side
    20,724,884.70x = 291,139,882,514,120.25
  5. Step 5: Solve for x
    x = 291,139,882,514,120.25/20,724,884.70
  6. Step 6: Final answer
    x = 14,047,840.88

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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.