Home / 30,528,049.30-45,792,073.95-18,434,814.10

Finding the Fourth Proportional to 30,528,049.30, 45,792,073.95 and 18,434,814.10

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Solution

The fourth proportional to 30,528,049.30, 45,792,073.95 and 18,434,814.10 is: 27,652,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,049.30 : 45,792,073.95 = 18,434,814.10 : x
  2. Step 2: Convert to fraction form
    30,528,049.30/45,792,073.95 = 18,434,814.10/x
  3. Step 3: Cross multiply
    30,528,049.30x = 45,792,073.95 × 18,434,814.10
  4. Step 4: Simplify right side
    30,528,049.30x = 844,168,370,521,702.88
  5. Step 5: Solve for x
    x = 844,168,370,521,702.88/30,528,049.30
  6. Step 6: Final answer
    x = 27,652,221.15

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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.