Home / 20,054,931.60-27,675,657-10,887,338.64

Finding the Fourth Proportional to 20,054,931.60, 27,675,657 and 10,887,338.64

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Solution

The fourth proportional to 20,054,931.60, 27,675,657 and 10,887,338.64 is: 15,024,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,931.60 : 27,675,657 = 10,887,338.64 : x
  2. Step 2: Convert to fraction form
    20,054,931.60/27,675,657 = 10,887,338.64/x
  3. Step 3: Cross multiply
    20,054,931.60x = 27,675,657 × 10,887,338.64
  4. Step 4: Simplify right side
    20,054,931.60x = 301,314,249,843,486.50
  5. Step 5: Solve for x
    x = 301,314,249,843,486.50/20,054,931.60
  6. Step 6: Final answer
    x = 15,024,446.65

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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.