Home / 21,094,527.12-31,799,898.40-19,688,362.24

Finding the Fourth Proportional to 21,094,527.12, 31,799,898.40 and 19,688,362.24

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Solution

The fourth proportional to 21,094,527.12, 31,799,898.40 and 19,688,362.24 is: 29,680,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,527.12 : 31,799,898.40 = 19,688,362.24 : x
  2. Step 2: Convert to fraction form
    21,094,527.12/31,799,898.40 = 19,688,362.24/x
  3. Step 3: Cross multiply
    21,094,527.12x = 31,799,898.40 × 19,688,362.24
  4. Step 4: Simplify right side
    21,094,527.12x = 626,087,918,894,396.38
  5. Step 5: Solve for x
    x = 626,087,918,894,396.38/21,094,527.12
  6. Step 6: Final answer
    x = 29,680,111.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.