Home / 7,487,872.20-10,333,261.80-4,224,657.60

Finding the Fourth Proportional to 7,487,872.20, 10,333,261.80 and 4,224,657.60

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Solution

The fourth proportional to 7,487,872.20, 10,333,261.80 and 4,224,657.60 is: 5,830,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,872.20 : 10,333,261.80 = 4,224,657.60 : x
  2. Step 2: Convert to fraction form
    7,487,872.20/10,333,261.80 = 4,224,657.60/x
  3. Step 3: Cross multiply
    7,487,872.20x = 10,333,261.80 × 4,224,657.60
  4. Step 4: Simplify right side
    7,487,872.20x = 43,654,492,996,159.68
  5. Step 5: Solve for x
    x = 43,654,492,996,159.68/7,487,872.20
  6. Step 6: Final answer
    x = 5,830,026.45

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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.