Home / 19,129,827.90-28,700,332.37-6,175,674.69

Finding the Fourth Proportional to 19,129,827.90, 28,700,332.37 and 6,175,674.69

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Solution

The fourth proportional to 19,129,827.90, 28,700,332.37 and 6,175,674.69 is: 9,265,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129,827.90 : 28,700,332.37 = 6,175,674.69 : x
  2. Step 2: Convert to fraction form
    19,129,827.90/28,700,332.37 = 6,175,674.69/x
  3. Step 3: Cross multiply
    19,129,827.90x = 28,700,332.37 × 6,175,674.69
  4. Step 4: Simplify right side
    19,129,827.90x = 177,243,916,211,996.72
  5. Step 5: Solve for x
    x = 177,243,916,211,996.72/19,129,827.90
  6. Step 6: Final answer
    x = 9,265,316.82

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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.