Home / 20,137,373.80-30,210,434.70-7,357,858

Finding the Fourth Proportional to 20,137,373.80, 30,210,434.70 and 7,357,858

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Solution

The fourth proportional to 20,137,373.80, 30,210,434.70 and 7,357,858 is: 11,038,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,373.80 : 30,210,434.70 = 7,357,858 : x
  2. Step 2: Convert to fraction form
    20,137,373.80/30,210,434.70 = 7,357,858/x
  3. Step 3: Cross multiply
    20,137,373.80x = 30,210,434.70 × 7,357,858
  4. Step 4: Simplify right side
    20,137,373.80x = 222,284,088,640,872.59
  5. Step 5: Solve for x
    x = 222,284,088,640,872.59/20,137,373.80
  6. Step 6: Final answer
    x = 11,038,385.19

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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.