Home / 10,368,011.30-15,552,016.95-9,780,145.70

Finding the Fourth Proportional to 10,368,011.30, 15,552,016.95 and 9,780,145.70

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Solution

The fourth proportional to 10,368,011.30, 15,552,016.95 and 9,780,145.70 is: 14,670,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,011.30 : 15,552,016.95 = 9,780,145.70 : x
  2. Step 2: Convert to fraction form
    10,368,011.30/15,552,016.95 = 9,780,145.70/x
  3. Step 3: Cross multiply
    10,368,011.30x = 15,552,016.95 × 9,780,145.70
  4. Step 4: Simplify right side
    10,368,011.30x = 152,100,991,699,869.59
  5. Step 5: Solve for x
    x = 152,100,991,699,869.59/10,368,011.30
  6. Step 6: Final answer
    x = 14,670,218.55

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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.