Home / 12,963,398.64-17,889,240.60-7,162,433.52

Finding the Fourth Proportional to 12,963,398.64, 17,889,240.60 and 7,162,433.52

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Solution

The fourth proportional to 12,963,398.64, 17,889,240.60 and 7,162,433.52 is: 9,884,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,398.64 : 17,889,240.60 = 7,162,433.52 : x
  2. Step 2: Convert to fraction form
    12,963,398.64/17,889,240.60 = 7,162,433.52/x
  3. Step 3: Cross multiply
    12,963,398.64x = 17,889,240.60 × 7,162,433.52
  4. Step 4: Simplify right side
    12,963,398.64x = 128,130,496,520,784.92
  5. Step 5: Solve for x
    x = 128,130,496,520,784.92/12,963,398.64
  6. Step 6: Final answer
    x = 9,884,020.39

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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.