Home / 10,509,347.52-14,502,890.88-5,680,451.52

Finding the Fourth Proportional to 10,509,347.52, 14,502,890.88 and 5,680,451.52

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Solution

The fourth proportional to 10,509,347.52, 14,502,890.88 and 5,680,451.52 is: 7,839,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,347.52 : 14,502,890.88 = 5,680,451.52 : x
  2. Step 2: Convert to fraction form
    10,509,347.52/14,502,890.88 = 5,680,451.52/x
  3. Step 3: Cross multiply
    10,509,347.52x = 14,502,890.88 × 5,680,451.52
  4. Step 4: Simplify right side
    10,509,347.52x = 82,382,968,543,690.14
  5. Step 5: Solve for x
    x = 82,382,968,543,690.14/10,509,347.52
  6. Step 6: Final answer
    x = 7,839,018.40

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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.