Home / 18,432,001.80-27,648,002.70-6,465,947.40

Finding the Fourth Proportional to 18,432,001.80, 27,648,002.70 and 6,465,947.40

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Solution

The fourth proportional to 18,432,001.80, 27,648,002.70 and 6,465,947.40 is: 9,698,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,001.80 : 27,648,002.70 = 6,465,947.40 : x
  2. Step 2: Convert to fraction form
    18,432,001.80/27,648,002.70 = 6,465,947.40/x
  3. Step 3: Cross multiply
    18,432,001.80x = 27,648,002.70 × 6,465,947.40
  4. Step 4: Simplify right side
    18,432,001.80x = 178,770,531,173,258
  5. Step 5: Solve for x
    x = 178,770,531,173,258/18,432,001.80
  6. Step 6: Final answer
    x = 9,698,921.10

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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.