Home / 7,830,726.35-10,806,476.09-4,393,041.21

Finding the Fourth Proportional to 7,830,726.35, 10,806,476.09 and 4,393,041.21

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Solution

The fourth proportional to 7,830,726.35, 10,806,476.09 and 4,393,041.21 is: 6,062,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,726.35 : 10,806,476.09 = 4,393,041.21 : x
  2. Step 2: Convert to fraction form
    7,830,726.35/10,806,476.09 = 4,393,041.21/x
  3. Step 3: Cross multiply
    7,830,726.35x = 10,806,476.09 × 4,393,041.21
  4. Step 4: Simplify right side
    7,830,726.35x = 47,473,294,776,284.47
  5. Step 5: Solve for x
    x = 47,473,294,776,284.47/7,830,726.35
  6. Step 6: Final answer
    x = 6,062,438.23

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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.