Home / 13,390,848.30-18,446,570.90-9,708,946.32

Finding the Fourth Proportional to 13,390,848.30, 18,446,570.90 and 9,708,946.32

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Solution

The fourth proportional to 13,390,848.30, 18,446,570.90 and 9,708,946.32 is: 13,374,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,848.30 : 18,446,570.90 = 9,708,946.32 : x
  2. Step 2: Convert to fraction form
    13,390,848.30/18,446,570.90 = 9,708,946.32/x
  3. Step 3: Cross multiply
    13,390,848.30x = 18,446,570.90 × 9,708,946.32
  4. Step 4: Simplify right side
    13,390,848.30x = 179,096,766,656,174.09
  5. Step 5: Solve for x
    x = 179,096,766,656,174.09/13,390,848.30
  6. Step 6: Final answer
    x = 13,374,564.68

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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.