Home / 8,447,476.35-11,657,746.90-4,776,942.12

Finding the Fourth Proportional to 8,447,476.35, 11,657,746.90 and 4,776,942.12

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Solution

The fourth proportional to 8,447,476.35, 11,657,746.90 and 4,776,942.12 is: 6,592,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,476.35 : 11,657,746.90 = 4,776,942.12 : x
  2. Step 2: Convert to fraction form
    8,447,476.35/11,657,746.90 = 4,776,942.12/x
  3. Step 3: Cross multiply
    8,447,476.35x = 11,657,746.90 × 4,776,942.12
  4. Step 4: Simplify right side
    8,447,476.35x = 55,688,382,190,909.43
  5. Step 5: Solve for x
    x = 55,688,382,190,909.43/8,447,476.35
  6. Step 6: Final answer
    x = 6,592,309.93

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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.