Home / 21,209,035.95-29,268,494.44-12,041,678.70

Finding the Fourth Proportional to 21,209,035.95, 29,268,494.44 and 12,041,678.70

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Solution

The fourth proportional to 21,209,035.95, 29,268,494.44 and 12,041,678.70 is: 16,617,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,209,035.95 : 29,268,494.44 = 12,041,678.70 : x
  2. Step 2: Convert to fraction form
    21,209,035.95/29,268,494.44 = 12,041,678.70/x
  3. Step 3: Cross multiply
    21,209,035.95x = 29,268,494.44 × 12,041,678.70
  4. Step 4: Simplify right side
    21,209,035.95x = 352,441,806,049,112.19
  5. Step 5: Solve for x
    x = 352,441,806,049,112.19/21,209,035.95
  6. Step 6: Final answer
    x = 16,617,530.70

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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.