Home / 9,328,628.86-12,873,332.94-5,198,569.12

Finding the Fourth Proportional to 9,328,628.86, 12,873,332.94 and 5,198,569.12

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Solution

The fourth proportional to 9,328,628.86, 12,873,332.94 and 5,198,569.12 is: 7,173,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,628.86 : 12,873,332.94 = 5,198,569.12 : x
  2. Step 2: Convert to fraction form
    9,328,628.86/12,873,332.94 = 5,198,569.12/x
  3. Step 3: Cross multiply
    9,328,628.86x = 12,873,332.94 × 5,198,569.12
  4. Step 4: Simplify right side
    9,328,628.86x = 66,922,911,017,547.34
  5. Step 5: Solve for x
    x = 66,922,911,017,547.34/9,328,628.86
  6. Step 6: Final answer
    x = 7,173,927.92

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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.