Home / 19,585,956.80-29,388,590.40-8,810,883.20

Finding the Fourth Proportional to 19,585,956.80, 29,388,590.40 and 8,810,883.20

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Solution

The fourth proportional to 19,585,956.80, 29,388,590.40 and 8,810,883.20 is: 13,220,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,956.80 : 29,388,590.40 = 8,810,883.20 : x
  2. Step 2: Convert to fraction form
    19,585,956.80/29,388,590.40 = 8,810,883.20/x
  3. Step 3: Cross multiply
    19,585,956.80x = 29,388,590.40 × 8,810,883.20
  4. Step 4: Simplify right side
    19,585,956.80x = 258,939,437,427,041.25
  5. Step 5: Solve for x
    x = 258,939,437,427,041.25/19,585,956.80
  6. Step 6: Final answer
    x = 13,220,668.26

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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.