Home / 19,332,555.20-28,997,911.20-6,551,806.40

Finding the Fourth Proportional to 19,332,555.20, 28,997,911.20 and 6,551,806.40

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Solution

The fourth proportional to 19,332,555.20, 28,997,911.20 and 6,551,806.40 is: 9,827,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332,555.20 : 28,997,911.20 = 6,551,806.40 : x
  2. Step 2: Convert to fraction form
    19,332,555.20/28,997,911.20 = 6,551,806.40/x
  3. Step 3: Cross multiply
    19,332,555.20x = 28,997,911.20 × 6,551,806.40
  4. Step 4: Simplify right side
    19,332,555.20x = 189,988,700,186,791.69
  5. Step 5: Solve for x
    x = 189,988,700,186,791.69/19,332,555.20
  6. Step 6: Final answer
    x = 9,827,397.27

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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.