Home / 18,946,521.12-28,423,287.60-5,995,931.20

Finding the Fourth Proportional to 18,946,521.12, 28,423,287.60 and 5,995,931.20

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Solution

The fourth proportional to 18,946,521.12, 28,423,287.60 and 5,995,931.20 is: 8,995,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,521.12 : 28,423,287.60 = 5,995,931.20 : x
  2. Step 2: Convert to fraction form
    18,946,521.12/28,423,287.60 = 5,995,931.20/x
  3. Step 3: Cross multiply
    18,946,521.12x = 28,423,287.60 × 5,995,931.20
  4. Step 4: Simplify right side
    18,946,521.12x = 170,424,076,927,413.12
  5. Step 5: Solve for x
    x = 170,424,076,927,413.12/18,946,521.12
  6. Step 6: Final answer
    x = 8,995,006.30

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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.