Home / 30,528,048.30-45,792,072.45-18,434,813.10

Finding the Fourth Proportional to 30,528,048.30, 45,792,072.45 and 18,434,813.10

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Solution

The fourth proportional to 30,528,048.30, 45,792,072.45 and 18,434,813.10 is: 27,652,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,048.30 : 45,792,072.45 = 18,434,813.10 : x
  2. Step 2: Convert to fraction form
    30,528,048.30/45,792,072.45 = 18,434,813.10/x
  3. Step 3: Cross multiply
    30,528,048.30x = 45,792,072.45 × 18,434,813.10
  4. Step 4: Simplify right side
    30,528,048.30x = 844,168,297,077,409.25
  5. Step 5: Solve for x
    x = 844,168,297,077,409.25/30,528,048.30
  6. Step 6: Final answer
    x = 27,652,219.65

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1.5x scale

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.