Home / 7,721,578.32-10,656,281.88-4,458,530.40

Finding the Fourth Proportional to 7,721,578.32, 10,656,281.88 and 4,458,530.40

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Solution

The fourth proportional to 7,721,578.32, 10,656,281.88 and 4,458,530.40 is: 6,153,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,578.32 : 10,656,281.88 = 4,458,530.40 : x
  2. Step 2: Convert to fraction form
    7,721,578.32/10,656,281.88 = 4,458,530.40/x
  3. Step 3: Cross multiply
    7,721,578.32x = 10,656,281.88 × 4,458,530.40
  4. Step 4: Simplify right side
    7,721,578.32x = 47,511,356,712,949.16
  5. Step 5: Solve for x
    x = 47,511,356,712,949.16/7,721,578.32
  6. Step 6: Final answer
    x = 6,153,062.85

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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.