Home / 18,442,885.40-27,664,328.10-9,939,829.40

Finding the Fourth Proportional to 18,442,885.40, 27,664,328.10 and 9,939,829.40

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Solution

The fourth proportional to 18,442,885.40, 27,664,328.10 and 9,939,829.40 is: 14,909,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,885.40 : 27,664,328.10 = 9,939,829.40 : x
  2. Step 2: Convert to fraction form
    18,442,885.40/27,664,328.10 = 9,939,829.40/x
  3. Step 3: Cross multiply
    18,442,885.40x = 27,664,328.10 × 9,939,829.40
  4. Step 4: Simplify right side
    18,442,885.40x = 274,978,701,779,626.16
  5. Step 5: Solve for x
    x = 274,978,701,779,626.16/18,442,885.40
  6. Step 6: Final answer
    x = 14,909,744.10

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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.