Home / 19,339,499.81-29,009,477.52-7,670,716.70

Finding the Fourth Proportional to 19,339,499.81, 29,009,477.52 and 7,670,716.70

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Solution

The fourth proportional to 19,339,499.81, 29,009,477.52 and 7,670,716.70 is: 11,506,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,499.81 : 29,009,477.52 = 7,670,716.70 : x
  2. Step 2: Convert to fraction form
    19,339,499.81/29,009,477.52 = 7,670,716.70/x
  3. Step 3: Cross multiply
    19,339,499.81x = 29,009,477.52 × 7,670,716.70
  4. Step 4: Simplify right side
    19,339,499.81x = 222,523,483,525,891.19
  5. Step 5: Solve for x
    x = 222,523,483,525,891.19/19,339,499.81
  6. Step 6: Final answer
    x = 11,506,165.40

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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.