Home / 18,528,020.80-27,792,031.20-17,488,758.40

Finding the Fourth Proportional to 18,528,020.80, 27,792,031.20 and 17,488,758.40

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Solution

The fourth proportional to 18,528,020.80, 27,792,031.20 and 17,488,758.40 is: 26,233,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,020.80 : 27,792,031.20 = 17,488,758.40 : x
  2. Step 2: Convert to fraction form
    18,528,020.80/27,792,031.20 = 17,488,758.40/x
  3. Step 3: Cross multiply
    18,528,020.80x = 27,792,031.20 × 17,488,758.40
  4. Step 4: Simplify right side
    18,528,020.80x = 486,048,119,102,062
  5. Step 5: Solve for x
    x = 486,048,119,102,062/18,528,020.80
  6. Step 6: Final answer
    x = 26,233,137.60

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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.