Home / 16,658,271.72-22,988,253.06-9,316,021.32

Finding the Fourth Proportional to 16,658,271.72, 22,988,253.06 and 9,316,021.32

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Solution

The fourth proportional to 16,658,271.72, 22,988,253.06 and 9,316,021.32 is: 12,856,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658,271.72 : 22,988,253.06 = 9,316,021.32 : x
  2. Step 2: Convert to fraction form
    16,658,271.72/22,988,253.06 = 9,316,021.32/x
  3. Step 3: Cross multiply
    16,658,271.72x = 22,988,253.06 × 9,316,021.32
  4. Step 4: Simplify right side
    16,658,271.72x = 214,159,055,616,515.22
  5. Step 5: Solve for x
    x = 214,159,055,616,515.22/16,658,271.72
  6. Step 6: Final answer
    x = 12,856,018.87

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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.