Home / 7,881,587.28-10,876,587.52-4,259,915.28

Finding the Fourth Proportional to 7,881,587.28, 10,876,587.52 and 4,259,915.28

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Solution

The fourth proportional to 7,881,587.28, 10,876,587.52 and 4,259,915.28 is: 5,878,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,587.28 : 10,876,587.52 = 4,259,915.28 : x
  2. Step 2: Convert to fraction form
    7,881,587.28/10,876,587.52 = 4,259,915.28/x
  3. Step 3: Cross multiply
    7,881,587.28x = 10,876,587.52 × 4,259,915.28
  4. Step 4: Simplify right side
    7,881,587.28x = 46,333,341,370,705.30
  5. Step 5: Solve for x
    x = 46,333,341,370,705.30/7,881,587.28
  6. Step 6: Final answer
    x = 5,878,681.50

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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.