Home / 30,510,857.36-42,105,292.44-16,572,483.92

Finding the Fourth Proportional to 30,510,857.36, 42,105,292.44 and 16,572,483.92

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Solution

The fourth proportional to 30,510,857.36, 42,105,292.44 and 16,572,483.92 is: 22,870,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510,857.36 : 42,105,292.44 = 16,572,483.92 : x
  2. Step 2: Convert to fraction form
    30,510,857.36/42,105,292.44 = 16,572,483.92/x
  3. Step 3: Cross multiply
    30,510,857.36x = 42,105,292.44 × 16,572,483.92
  4. Step 4: Simplify right side
    30,510,857.36x = 697,789,281,908,797.50
  5. Step 5: Solve for x
    x = 697,789,281,908,797.50/30,510,857.36
  6. Step 6: Final answer
    x = 22,870,195.80

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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.