Home / 10,011,818.64-13,816,581.76-5,661,555.84

Finding the Fourth Proportional to 10,011,818.64, 13,816,581.76 and 5,661,555.84

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Solution

The fourth proportional to 10,011,818.64, 13,816,581.76 and 5,661,555.84 is: 7,813,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,818.64 : 13,816,581.76 = 5,661,555.84 : x
  2. Step 2: Convert to fraction form
    10,011,818.64/13,816,581.76 = 5,661,555.84/x
  3. Step 3: Cross multiply
    10,011,818.64x = 13,816,581.76 × 5,661,555.84
  4. Step 4: Simplify right side
    10,011,818.64x = 78,223,349,152,165.47
  5. Step 5: Solve for x
    x = 78,223,349,152,165.47/10,011,818.64
  6. Step 6: Final answer
    x = 7,813,100.89

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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.