Home / 16,658,290.72-22,988,279.28-9,316,040.32

Finding the Fourth Proportional to 16,658,290.72, 22,988,279.28 and 9,316,040.32

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Solution

The fourth proportional to 16,658,290.72, 22,988,279.28 and 9,316,040.32 is: 12,856,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658,290.72 : 22,988,279.28 = 9,316,040.32 : x
  2. Step 2: Convert to fraction form
    16,658,290.72/22,988,279.28 = 9,316,040.32/x
  3. Step 3: Cross multiply
    16,658,290.72x = 22,988,279.28 × 9,316,040.32
  4. Step 4: Simplify right side
    16,658,290.72x = 214,159,736,659,900.59
  5. Step 5: Solve for x
    x = 214,159,736,659,900.59/16,658,290.72
  6. Step 6: Final answer
    x = 12,856,045.09

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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.