Home / 39,719,948.22-54,814,184.10-21,838,924.08

Finding the Fourth Proportional to 39,719,948.22, 54,814,184.10 and 21,838,924.08

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Solution

The fourth proportional to 39,719,948.22, 54,814,184.10 and 21,838,924.08 is: 30,138,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719,948.22 : 54,814,184.10 = 21,838,924.08 : x
  2. Step 2: Convert to fraction form
    39,719,948.22/54,814,184.10 = 21,838,924.08/x
  3. Step 3: Cross multiply
    39,719,948.22x = 54,814,184.10 × 21,838,924.08
  4. Step 4: Simplify right side
    39,719,948.22x = 1,197,082,805,067,043
  5. Step 5: Solve for x
    x = 1,197,082,805,067,043/39,719,948.22
  6. Step 6: Final answer
    x = 30,138,075.67

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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.