Home / 8,249,971.38-11,385,081.81-4,579,123.47

Finding the Fourth Proportional to 8,249,971.38, 11,385,081.81 and 4,579,123.47

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Solution

The fourth proportional to 8,249,971.38, 11,385,081.81 and 4,579,123.47 is: 6,319,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,971.38 : 11,385,081.81 = 4,579,123.47 : x
  2. Step 2: Convert to fraction form
    8,249,971.38/11,385,081.81 = 4,579,123.47/x
  3. Step 3: Cross multiply
    8,249,971.38x = 11,385,081.81 × 4,579,123.47
  4. Step 4: Simplify right side
    8,249,971.38x = 52,133,695,324,041.08
  5. Step 5: Solve for x
    x = 52,133,695,324,041.08/8,249,971.38
  6. Step 6: Final answer
    x = 6,319,257.72

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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.