Home / 16,238,442.36-22,409,042.70-9,712,071.69

Finding the Fourth Proportional to 16,238,442.36, 22,409,042.70 and 9,712,071.69

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Solution

The fourth proportional to 16,238,442.36, 22,409,042.70 and 9,712,071.69 is: 13,402,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238,442.36 : 22,409,042.70 = 9,712,071.69 : x
  2. Step 2: Convert to fraction form
    16,238,442.36/22,409,042.70 = 9,712,071.69/x
  3. Step 3: Cross multiply
    16,238,442.36x = 22,409,042.70 × 9,712,071.69
  4. Step 4: Simplify right side
    16,238,442.36x = 217,638,229,104,427.12
  5. Step 5: Solve for x
    x = 217,638,229,104,427.12/16,238,442.36
  6. Step 6: Final answer
    x = 13,402,654.28

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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.