Home / 22,421,342.70-30,941,452.26-12,108,065.40

Finding the Fourth Proportional to 22,421,342.70, 30,941,452.26 and 12,108,065.40

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Solution

The fourth proportional to 22,421,342.70, 30,941,452.26 and 12,108,065.40 is: 16,709,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,342.70 : 30,941,452.26 = 12,108,065.40 : x
  2. Step 2: Convert to fraction form
    22,421,342.70/30,941,452.26 = 12,108,065.40/x
  3. Step 3: Cross multiply
    22,421,342.70x = 30,941,452.26 × 12,108,065.40
  4. Step 4: Simplify right side
    22,421,342.70x = 374,641,127,535,057.81
  5. Step 5: Solve for x
    x = 374,641,127,535,057.81/22,421,342.70
  6. Step 6: Final answer
    x = 16,709,129.89

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1.5x scale

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.