Home / 10,368,008.05-15,552,012.08-9,780,142.45

Finding the Fourth Proportional to 10,368,008.05, 15,552,012.08 and 9,780,142.45

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Solution

The fourth proportional to 10,368,008.05, 15,552,012.08 and 9,780,142.45 is: 14,670,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,008.05 : 15,552,012.08 = 9,780,142.45 : x
  2. Step 2: Convert to fraction form
    10,368,008.05/15,552,012.08 = 9,780,142.45/x
  3. Step 3: Cross multiply
    10,368,008.05x = 15,552,012.08 × 9,780,142.45
  4. Step 4: Simplify right side
    10,368,008.05x = 152,100,893,526,520.78
  5. Step 5: Solve for x
    x = 152,100,893,526,520.78/10,368,008.05
  6. Step 6: Final answer
    x = 14,670,213.68

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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.