Home / 16,985,278.16-23,440,347.30-9,643,794.32

Finding the Fourth Proportional to 16,985,278.16, 23,440,347.30 and 9,643,794.32

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Solution

The fourth proportional to 16,985,278.16, 23,440,347.30 and 9,643,794.32 is: 13,308,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985,278.16 : 23,440,347.30 = 9,643,794.32 : x
  2. Step 2: Convert to fraction form
    16,985,278.16/23,440,347.30 = 9,643,794.32/x
  3. Step 3: Cross multiply
    16,985,278.16x = 23,440,347.30 × 9,643,794.32
  4. Step 4: Simplify right side
    16,985,278.16x = 226,053,888,150,567.34
  5. Step 5: Solve for x
    x = 226,053,888,150,567.34/16,985,278.16
  6. Step 6: Final answer
    x = 13,308,812.84

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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.