Home / 16,172,356.80-24,258,535.20-5,390,009.40

Finding the Fourth Proportional to 16,172,356.80, 24,258,535.20 and 5,390,009.40

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Solution

The fourth proportional to 16,172,356.80, 24,258,535.20 and 5,390,009.40 is: 8,085,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172,356.80 : 24,258,535.20 = 5,390,009.40 : x
  2. Step 2: Convert to fraction form
    16,172,356.80/24,258,535.20 = 5,390,009.40/x
  3. Step 3: Cross multiply
    16,172,356.80x = 24,258,535.20 × 5,390,009.40
  4. Step 4: Simplify right side
    16,172,356.80x = 130,753,732,758,230.89
  5. Step 5: Solve for x
    x = 130,753,732,758,230.89/16,172,356.80
  6. Step 6: Final answer
    x = 8,085,014.10

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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.