Home / 13,197,966.90-18,213,908.16-7,398,611.52

Finding the Fourth Proportional to 13,197,966.90, 18,213,908.16 and 7,398,611.52

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Solution

The fourth proportional to 13,197,966.90, 18,213,908.16 and 7,398,611.52 is: 10,210,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,966.90 : 18,213,908.16 = 7,398,611.52 : x
  2. Step 2: Convert to fraction form
    13,197,966.90/18,213,908.16 = 7,398,611.52/x
  3. Step 3: Cross multiply
    13,197,966.90x = 18,213,908.16 × 7,398,611.52
  4. Step 4: Simplify right side
    13,197,966.90x = 134,757,630,736,798
  5. Step 5: Solve for x
    x = 134,757,630,736,798/13,197,966.90
  6. Step 6: Final answer
    x = 10,210,484.07

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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.