Home / 13,000,473.47-17,940,637.19-7,199,248.20

Finding the Fourth Proportional to 13,000,473.47, 17,940,637.19 and 7,199,248.20

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Solution

The fourth proportional to 13,000,473.47, 17,940,637.19 and 7,199,248.20 is: 9,934,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,473.47 : 17,940,637.19 = 7,199,248.20 : x
  2. Step 2: Convert to fraction form
    13,000,473.47/17,940,637.19 = 7,199,248.20/x
  3. Step 3: Cross multiply
    13,000,473.47x = 17,940,637.19 × 7,199,248.20
  4. Step 4: Simplify right side
    13,000,473.47x = 129,159,099,960,964.31
  5. Step 5: Solve for x
    x = 129,159,099,960,964.31/13,000,473.47
  6. Step 6: Final answer
    x = 9,934,953.55

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1.5x scale

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.