Home / 20,882,747.17-28,818,498.16-11,590,913.40

Finding the Fourth Proportional to 20,882,747.17, 28,818,498.16 and 11,590,913.40

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Solution

The fourth proportional to 20,882,747.17, 28,818,498.16 and 11,590,913.40 is: 15,995,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,747.17 : 28,818,498.16 = 11,590,913.40 : x
  2. Step 2: Convert to fraction form
    20,882,747.17/28,818,498.16 = 11,590,913.40/x
  3. Step 3: Cross multiply
    20,882,747.17x = 28,818,498.16 × 11,590,913.40
  4. Step 4: Simplify right side
    20,882,747.17x = 334,032,716,490,619.38
  5. Step 5: Solve for x
    x = 334,032,716,490,619.38/20,882,747.17
  6. Step 6: Final answer
    x = 15,995,630.93

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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.