Home / 7,920,531.78-10,928,460.51-4,482,772.74

Finding the Fourth Proportional to 7,920,531.78, 10,928,460.51 and 4,482,772.74

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Solution

The fourth proportional to 7,920,531.78, 10,928,460.51 and 4,482,772.74 is: 6,185,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,531.78 : 10,928,460.51 = 4,482,772.74 : x
  2. Step 2: Convert to fraction form
    7,920,531.78/10,928,460.51 = 4,482,772.74/x
  3. Step 3: Cross multiply
    7,920,531.78x = 10,928,460.51 × 4,482,772.74
  4. Step 4: Simplify right side
    7,920,531.78x = 48,989,804,864,394.50
  5. Step 5: Solve for x
    x = 48,989,804,864,394.50/7,920,531.78
  6. Step 6: Final answer
    x = 6,185,166.13

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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.