Home / 7,830,721.58-10,806,469.52-4,393,036.40

Finding the Fourth Proportional to 7,830,721.58, 10,806,469.52 and 4,393,036.40

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Solution

The fourth proportional to 7,830,721.58, 10,806,469.52 and 4,393,036.40 is: 6,062,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,721.58 : 10,806,469.52 = 4,393,036.40 : x
  2. Step 2: Convert to fraction form
    7,830,721.58/10,806,469.52 = 4,393,036.40/x
  3. Step 3: Cross multiply
    7,830,721.58x = 10,806,469.52 × 4,393,036.40
  4. Step 4: Simplify right side
    7,830,721.58x = 47,473,213,880,853
  5. Step 5: Solve for x
    x = 47,473,213,880,853/7,830,721.58
  6. Step 6: Final answer
    x = 6,062,431.59

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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.