Home / 21,963,681.40-30,309,828.04-12,040,546.47

Finding the Fourth Proportional to 21,963,681.40, 30,309,828.04 and 12,040,546.47

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Solution

The fourth proportional to 21,963,681.40, 30,309,828.04 and 12,040,546.47 is: 16,615,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,681.40 : 30,309,828.04 = 12,040,546.47 : x
  2. Step 2: Convert to fraction form
    21,963,681.40/30,309,828.04 = 12,040,546.47/x
  3. Step 3: Cross multiply
    21,963,681.40x = 30,309,828.04 × 12,040,546.47
  4. Step 4: Simplify right side
    21,963,681.40x = 364,946,893,013,329
  5. Step 5: Solve for x
    x = 364,946,893,013,329/21,963,681.40
  6. Step 6: Final answer
    x = 16,615,925.46

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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.