Home / 7,811,555.64-10,781,223.72-4,671,614.16

Finding the Fourth Proportional to 7,811,555.64, 10,781,223.72 and 4,671,614.16

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Solution

The fourth proportional to 7,811,555.64, 10,781,223.72 and 4,671,614.16 is: 6,447,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,555.64 : 10,781,223.72 = 4,671,614.16 : x
  2. Step 2: Convert to fraction form
    7,811,555.64/10,781,223.72 = 4,671,614.16/x
  3. Step 3: Cross multiply
    7,811,555.64x = 10,781,223.72 × 4,671,614.16
  4. Step 4: Simplify right side
    7,811,555.64x = 50,365,717,392,479.88
  5. Step 5: Solve for x
    x = 50,365,717,392,479.88/7,811,555.64
  6. Step 6: Final answer
    x = 6,447,591.20

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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.