Home / 18,432,013.10-27,648,019.65-10,369,856.30

Finding the Fourth Proportional to 18,432,013.10, 27,648,019.65 and 10,369,856.30

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Solution

The fourth proportional to 18,432,013.10, 27,648,019.65 and 10,369,856.30 is: 15,554,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,013.10 : 27,648,019.65 = 10,369,856.30 : x
  2. Step 2: Convert to fraction form
    18,432,013.10/27,648,019.65 = 10,369,856.30/x
  3. Step 3: Cross multiply
    18,432,013.10x = 27,648,019.65 × 10,369,856.30
  4. Step 4: Simplify right side
    18,432,013.10x = 286,705,990,750,076.31
  5. Step 5: Solve for x
    x = 286,705,990,750,076.31/18,432,013.10
  6. Step 6: Final answer
    x = 15,554,784.45

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Double scale
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Similar ratio
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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.