Home / 7,360,702.32-10,157,056.74-5,428,003.44

Finding the Fourth Proportional to 7,360,702.32, 10,157,056.74 and 5,428,003.44

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Solution

The fourth proportional to 7,360,702.32, 10,157,056.74 and 5,428,003.44 is: 7,490,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360,702.32 : 10,157,056.74 = 5,428,003.44 : x
  2. Step 2: Convert to fraction form
    7,360,702.32/10,157,056.74 = 5,428,003.44/x
  3. Step 3: Cross multiply
    7,360,702.32x = 10,157,056.74 × 5,428,003.44
  4. Step 4: Simplify right side
    7,360,702.32x = 55,132,538,924,995.19
  5. Step 5: Solve for x
    x = 55,132,538,924,995.19/7,360,702.32
  6. Step 6: Final answer
    x = 7,490,119.36

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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.