Home / 20,025,824.40-29,870,386.20-18,186,814.98

Finding the Fourth Proportional to 20,025,824.40, 29,870,386.20 and 18,186,814.98

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Solution

The fourth proportional to 20,025,824.40, 29,870,386.20 and 18,186,814.98 is: 27,127,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,824.40 : 29,870,386.20 = 18,186,814.98 : x
  2. Step 2: Convert to fraction form
    20,025,824.40/29,870,386.20 = 18,186,814.98/x
  3. Step 3: Cross multiply
    20,025,824.40x = 29,870,386.20 × 18,186,814.98
  4. Step 4: Simplify right side
    20,025,824.40x = 543,247,187,200,545.25
  5. Step 5: Solve for x
    x = 543,247,187,200,545.25/20,025,824.40
  6. Step 6: Final answer
    x = 27,127,332.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.