Home / 15,863,193.01-21,891,152.69-8,988,985.45

Finding the Fourth Proportional to 15,863,193.01, 21,891,152.69 and 8,988,985.45

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Solution

The fourth proportional to 15,863,193.01, 21,891,152.69 and 8,988,985.45 is: 12,404,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863,193.01 : 21,891,152.69 = 8,988,985.45 : x
  2. Step 2: Convert to fraction form
    15,863,193.01/21,891,152.69 = 8,988,985.45/x
  3. Step 3: Cross multiply
    15,863,193.01x = 21,891,152.69 × 8,988,985.45
  4. Step 4: Simplify right side
    15,863,193.01x = 196,779,252,904,682.62
  5. Step 5: Solve for x
    x = 196,779,252,904,682.62/15,863,193.01
  6. Step 6: Final answer
    x = 12,404,769.51

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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.