Home / 11,473,721.28-15,833,147.76-6,316,088.40

Finding the Fourth Proportional to 11,473,721.28, 15,833,147.76 and 6,316,088.40

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Solution

The fourth proportional to 11,473,721.28, 15,833,147.76 and 6,316,088.40 is: 8,715,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473,721.28 : 15,833,147.76 = 6,316,088.40 : x
  2. Step 2: Convert to fraction form
    11,473,721.28/15,833,147.76 = 6,316,088.40/x
  3. Step 3: Cross multiply
    11,473,721.28x = 15,833,147.76 × 6,316,088.40
  4. Step 4: Simplify right side
    11,473,721.28x = 100,003,560,902,421.98
  5. Step 5: Solve for x
    x = 100,003,560,902,421.98/11,473,721.28
  6. Step 6: Final answer
    x = 8,715,878.52

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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.