Home / 12,090,009.68-16,679,831.80-6,859,988.47

Finding the Fourth Proportional to 12,090,009.68, 16,679,831.80 and 6,859,988.47

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Solution

The fourth proportional to 12,090,009.68, 16,679,831.80 and 6,859,988.47 is: 9,464,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,009.68 : 16,679,831.80 = 6,859,988.47 : x
  2. Step 2: Convert to fraction form
    12,090,009.68/16,679,831.80 = 6,859,988.47/x
  3. Step 3: Cross multiply
    12,090,009.68x = 16,679,831.80 × 6,859,988.47
  4. Step 4: Simplify right side
    12,090,009.68x = 114,423,453,752,277.59
  5. Step 5: Solve for x
    x = 114,423,453,752,277.59/12,090,009.68
  6. Step 6: Final answer
    x = 9,464,297.94

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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.