Home / 28,601,998.20-42,890,555.70-9,425,345.40

Finding the Fourth Proportional to 28,601,998.20, 42,890,555.70 and 9,425,345.40

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Solution

The fourth proportional to 28,601,998.20, 42,890,555.70 and 9,425,345.40 is: 14,133,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,998.20 : 42,890,555.70 = 9,425,345.40 : x
  2. Step 2: Convert to fraction form
    28,601,998.20/42,890,555.70 = 9,425,345.40/x
  3. Step 3: Cross multiply
    28,601,998.20x = 42,890,555.70 × 9,425,345.40
  4. Step 4: Simplify right side
    28,601,998.20x = 404,258,301,870,438.81
  5. Step 5: Solve for x
    x = 404,258,301,870,438.81/28,601,998.20
  6. Step 6: Final answer
    x = 14,133,918.16

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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.