Home / 13,122,011.10-19,683,016.65-12,165,417.30

Finding the Fourth Proportional to 13,122,011.10, 19,683,016.65 and 12,165,417.30

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Solution

The fourth proportional to 13,122,011.10, 19,683,016.65 and 12,165,417.30 is: 18,248,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,011.10 : 19,683,016.65 = 12,165,417.30 : x
  2. Step 2: Convert to fraction form
    13,122,011.10/19,683,016.65 = 12,165,417.30/x
  3. Step 3: Cross multiply
    13,122,011.10x = 19,683,016.65 × 12,165,417.30
  4. Step 4: Simplify right side
    13,122,011.10x = 239,452,111,270,098.03
  5. Step 5: Solve for x
    x = 239,452,111,270,098.03/13,122,011.10
  6. Step 6: Final answer
    x = 18,248,125.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.