Home / 10,510,665.30-15,765,997.95-10,368,947.70

Finding the Fourth Proportional to 10,510,665.30, 15,765,997.95 and 10,368,947.70

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Solution

The fourth proportional to 10,510,665.30, 15,765,997.95 and 10,368,947.70 is: 15,553,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510,665.30 : 15,765,997.95 = 10,368,947.70 : x
  2. Step 2: Convert to fraction form
    10,510,665.30/15,765,997.95 = 10,368,947.70/x
  3. Step 3: Cross multiply
    10,510,665.30x = 15,765,997.95 × 10,368,947.70
  4. Step 4: Simplify right side
    10,510,665.30x = 163,476,808,181,857.19
  5. Step 5: Solve for x
    x = 163,476,808,181,857.19/10,510,665.30
  6. Step 6: Final answer
    x = 15,553,421.55

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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.