Home / 13,484,605.04-18,613,815.24-8,838,689.36

Finding the Fourth Proportional to 13,484,605.04, 18,613,815.24 and 8,838,689.36

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Solution

The fourth proportional to 13,484,605.04, 18,613,815.24 and 8,838,689.36 is: 12,200,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,605.04 : 18,613,815.24 = 8,838,689.36 : x
  2. Step 2: Convert to fraction form
    13,484,605.04/18,613,815.24 = 8,838,689.36/x
  3. Step 3: Cross multiply
    13,484,605.04x = 18,613,815.24 × 8,838,689.36
  4. Step 4: Simplify right side
    13,484,605.04x = 164,521,730,710,793.81
  5. Step 5: Solve for x
    x = 164,521,730,710,793.81/13,484,605.04
  6. Step 6: Final answer
    x = 12,200,708.16

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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.