Home / 21,117,141-29,141,654.58-11,459,349

Finding the Fourth Proportional to 21,117,141, 29,141,654.58 and 11,459,349

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Solution

The fourth proportional to 21,117,141, 29,141,654.58 and 11,459,349 is: 15,813,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,141 : 29,141,654.58 = 11,459,349 : x
  2. Step 2: Convert to fraction form
    21,117,141/29,141,654.58 = 11,459,349/x
  3. Step 3: Cross multiply
    21,117,141x = 29,141,654.58 × 11,459,349
  4. Step 4: Simplify right side
    21,117,141x = 333,944,390,269,668.38
  5. Step 5: Solve for x
    x = 333,944,390,269,668.38/21,117,141
  6. Step 6: Final answer
    x = 15,813,901.62

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1.5x scale

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.