Home / 21,010,322.29-31,506,330.42-11,160,230.17

Finding the Fourth Proportional to 21,010,322.29, 31,506,330.42 and 11,160,230.17

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Solution

The fourth proportional to 21,010,322.29, 31,506,330.42 and 11,160,230.17 is: 16,735,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,322.29 : 31,506,330.42 = 11,160,230.17 : x
  2. Step 2: Convert to fraction form
    21,010,322.29/31,506,330.42 = 11,160,230.17/x
  3. Step 3: Cross multiply
    21,010,322.29x = 31,506,330.42 × 11,160,230.17
  4. Step 4: Simplify right side
    21,010,322.29x = 351,617,899,141,741.12
  5. Step 5: Solve for x
    x = 351,617,899,141,741.12/21,010,322.29
  6. Step 6: Final answer
    x = 16,735,483.37

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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.