Home / 10,076,178.40-13,904,601.52-5,724,660.76

Finding the Fourth Proportional to 10,076,178.40, 13,904,601.52 and 5,724,660.76

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Solution

The fourth proportional to 10,076,178.40, 13,904,601.52 and 5,724,660.76 is: 7,899,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076,178.40 : 13,904,601.52 = 5,724,660.76 : x
  2. Step 2: Convert to fraction form
    10,076,178.40/13,904,601.52 = 5,724,660.76/x
  3. Step 3: Cross multiply
    10,076,178.40x = 13,904,601.52 × 5,724,660.76
  4. Step 4: Simplify right side
    10,076,178.40x = 79,599,126,704,980.34
  5. Step 5: Solve for x
    x = 79,599,126,704,980.34/10,076,178.40
  6. Step 6: Final answer
    x = 7,899,733.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.