Home / 13,148,116.40-18,146,203.06-7,566,248.25

Finding the Fourth Proportional to 13,148,116.40, 18,146,203.06 and 7,566,248.25

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Solution

The fourth proportional to 13,148,116.40, 18,146,203.06 and 7,566,248.25 is: 10,442,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,116.40 : 18,146,203.06 = 7,566,248.25 : x
  2. Step 2: Convert to fraction form
    13,148,116.40/18,146,203.06 = 7,566,248.25/x
  3. Step 3: Cross multiply
    13,148,116.40x = 18,146,203.06 × 7,566,248.25
  4. Step 4: Simplify right side
    13,148,116.40x = 137,298,677,109,038.41
  5. Step 5: Solve for x
    x = 137,298,677,109,038.41/13,148,116.40
  6. Step 6: Final answer
    x = 10,442,459.81

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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.