Home / 7,718,307.59-10,653,200.09-5,241,718.71

Finding the Fourth Proportional to 7,718,307.59, 10,653,200.09 and 5,241,718.71

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Solution

The fourth proportional to 7,718,307.59, 10,653,200.09 and 5,241,718.71 is: 7,234,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,307.59 : 10,653,200.09 = 5,241,718.71 : x
  2. Step 2: Convert to fraction form
    7,718,307.59/10,653,200.09 = 5,241,718.71/x
  3. Step 3: Cross multiply
    7,718,307.59x = 10,653,200.09 × 5,241,718.71
  4. Step 4: Simplify right side
    7,718,307.59x = 55,841,078,206,918.09
  5. Step 5: Solve for x
    x = 55,841,078,206,918.09/7,718,307.59
  6. Step 6: Final answer
    x = 7,234,886.35

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1.5x scale

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.