Home / 22,156,972-33,249,989.92-7,779,669.60

Finding the Fourth Proportional to 22,156,972, 33,249,989.92 and 7,779,669.60

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Solution

The fourth proportional to 22,156,972, 33,249,989.92 and 7,779,669.60 is: 11,674,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156,972 : 33,249,989.92 = 7,779,669.60 : x
  2. Step 2: Convert to fraction form
    22,156,972/33,249,989.92 = 7,779,669.60/x
  3. Step 3: Cross multiply
    22,156,972x = 33,249,989.92 × 7,779,669.60
  4. Step 4: Simplify right side
    22,156,972x = 258,673,935,780,930.44
  5. Step 5: Solve for x
    x = 258,673,935,780,930.44/22,156,972
  6. Step 6: Final answer
    x = 11,674,606.79

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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.