Home / 19,720,921.77-29,584,561.10-6,074,063.64

Finding the Fourth Proportional to 19,720,921.77, 29,584,561.10 and 6,074,063.64

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Solution

The fourth proportional to 19,720,921.77, 29,584,561.10 and 6,074,063.64 is: 9,112,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,921.77 : 29,584,561.10 = 6,074,063.64 : x
  2. Step 2: Convert to fraction form
    19,720,921.77/29,584,561.10 = 6,074,063.64/x
  3. Step 3: Cross multiply
    19,720,921.77x = 29,584,561.10 × 6,074,063.64
  4. Step 4: Simplify right side
    19,720,921.77x = 179,698,506,852,498.06
  5. Step 5: Solve for x
    x = 179,698,506,852,498.06/19,720,921.77
  6. Step 6: Final answer
    x = 9,112,074.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.