Home / 7,830,543.47-10,806,017.40-4,392,710.69

Finding the Fourth Proportional to 7,830,543.47, 10,806,017.40 and 4,392,710.69

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Solution

The fourth proportional to 7,830,543.47, 10,806,017.40 and 4,392,710.69 is: 6,061,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,543.47 : 10,806,017.40 = 4,392,710.69 : x
  2. Step 2: Convert to fraction form
    7,830,543.47/10,806,017.40 = 4,392,710.69/x
  3. Step 3: Cross multiply
    7,830,543.47x = 10,806,017.40 × 4,392,710.69
  4. Step 4: Simplify right side
    7,830,543.47x = 47,467,708,176,321.05
  5. Step 5: Solve for x
    x = 47,467,708,176,321.05/7,830,543.47
  6. Step 6: Final answer
    x = 6,061,866.38

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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.