Home / 31,530,069.11-47,272,405.24-19,374,417.95

Finding the Fourth Proportional to 31,530,069.11, 47,272,405.24 and 19,374,417.95

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Solution

The fourth proportional to 31,530,069.11, 47,272,405.24 and 19,374,417.95 is: 29,047,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,069.11 : 47,272,405.24 = 19,374,417.95 : x
  2. Step 2: Convert to fraction form
    31,530,069.11/47,272,405.24 = 19,374,417.95/x
  3. Step 3: Cross multiply
    31,530,069.11x = 47,272,405.24 × 19,374,417.95
  4. Step 4: Simplify right side
    31,530,069.11x = 915,875,336,409,386.12
  5. Step 5: Solve for x
    x = 915,875,336,409,386.12/31,530,069.11
  6. Step 6: Final answer
    x = 29,047,679.32

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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.