Home / 18,432,000.80-27,648,001.20-9,362,074.40

Finding the Fourth Proportional to 18,432,000.80, 27,648,001.20 and 9,362,074.40

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Solution

The fourth proportional to 18,432,000.80, 27,648,001.20 and 9,362,074.40 is: 14,043,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,000.80 : 27,648,001.20 = 9,362,074.40 : x
  2. Step 2: Convert to fraction form
    18,432,000.80/27,648,001.20 = 9,362,074.40/x
  3. Step 3: Cross multiply
    18,432,000.80x = 27,648,001.20 × 9,362,074.40
  4. Step 4: Simplify right side
    18,432,000.80x = 258,842,644,245,689.28
  5. Step 5: Solve for x
    x = 258,842,644,245,689.28/18,432,000.80
  6. Step 6: Final answer
    x = 14,043,111.60

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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.