Home / 18,946,521.80-28,423,929.90-6,164,851.40

Finding the Fourth Proportional to 18,946,521.80, 28,423,929.90 and 6,164,851.40

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Solution

The fourth proportional to 18,946,521.80, 28,423,929.90 and 6,164,851.40 is: 9,248,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,521.80 : 28,423,929.90 = 6,164,851.40 : x
  2. Step 2: Convert to fraction form
    18,946,521.80/28,423,929.90 = 6,164,851.40/x
  3. Step 3: Cross multiply
    18,946,521.80x = 28,423,929.90 × 6,164,851.40
  4. Step 4: Simplify right side
    18,946,521.80x = 175,229,304,037,516.88
  5. Step 5: Solve for x
    x = 175,229,304,037,516.88/18,946,521.80
  6. Step 6: Final answer
    x = 9,248,626.52

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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.