Home / 9,838,729.28-13,576,861.80-5,708,440.46

Finding the Fourth Proportional to 9,838,729.28, 13,576,861.80 and 5,708,440.46

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Solution

The fourth proportional to 9,838,729.28, 13,576,861.80 and 5,708,440.46 is: 7,877,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,729.28 : 13,576,861.80 = 5,708,440.46 : x
  2. Step 2: Convert to fraction form
    9,838,729.28/13,576,861.80 = 5,708,440.46/x
  3. Step 3: Cross multiply
    9,838,729.28x = 13,576,861.80 × 5,708,440.46
  4. Step 4: Simplify right side
    9,838,729.28x = 77,502,707,218,948.44
  5. Step 5: Solve for x
    x = 77,502,707,218,948.44/9,838,729.28
  6. Step 6: Final answer
    x = 7,877,308.65

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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.