Home / 18,435,985.40-27,653,978.10-9,932,929.40

Finding the Fourth Proportional to 18,435,985.40, 27,653,978.10 and 9,932,929.40

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Solution

The fourth proportional to 18,435,985.40, 27,653,978.10 and 9,932,929.40 is: 14,899,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,985.40 : 27,653,978.10 = 9,932,929.40 : x
  2. Step 2: Convert to fraction form
    18,435,985.40/27,653,978.10 = 9,932,929.40/x
  3. Step 3: Cross multiply
    18,435,985.40x = 27,653,978.10 × 9,932,929.40
  4. Step 4: Simplify right side
    18,435,985.40x = 274,685,012,096,446.16
  5. Step 5: Solve for x
    x = 274,685,012,096,446.16/18,435,985.40
  6. Step 6: Final answer
    x = 14,899,394.10

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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.