Home / 30,554,707.36-42,164,655.60-16,803,672.16

Finding the Fourth Proportional to 30,554,707.36, 42,164,655.60 and 16,803,672.16

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Solution

The fourth proportional to 30,554,707.36, 42,164,655.60 and 16,803,672.16 is: 23,188,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554,707.36 : 42,164,655.60 = 16,803,672.16 : x
  2. Step 2: Convert to fraction form
    30,554,707.36/42,164,655.60 = 16,803,672.16/x
  3. Step 3: Cross multiply
    30,554,707.36x = 42,164,655.60 × 16,803,672.16
  4. Step 4: Simplify right side
    30,554,707.36x = 708,521,049,441,708.12
  5. Step 5: Solve for x
    x = 708,521,049,441,708.12/30,554,707.36
  6. Step 6: Final answer
    x = 23,188,605.31

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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.