Home / 8,573,479.36-12,911,541.51-7,808,204.32

Finding the Fourth Proportional to 8,573,479.36, 12,911,541.51 and 7,808,204.32

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Solution

The fourth proportional to 8,573,479.36, 12,911,541.51 and 7,808,204.32 is: 11,759,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573,479.36 : 12,911,541.51 = 7,808,204.32 : x
  2. Step 2: Convert to fraction form
    8,573,479.36/12,911,541.51 = 7,808,204.32/x
  3. Step 3: Cross multiply
    8,573,479.36x = 12,911,541.51 × 7,808,204.32
  4. Step 4: Simplify right side
    8,573,479.36x = 100,815,954,193,243.23
  5. Step 5: Solve for x
    x = 100,815,954,193,243.23/8,573,479.36
  6. Step 6: Final answer
    x = 11,759,047.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.