Home / 21,509,904.60-32,264,856.90-19,809,293.40

Finding the Fourth Proportional to 21,509,904.60, 32,264,856.90 and 19,809,293.40

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Solution

The fourth proportional to 21,509,904.60, 32,264,856.90 and 19,809,293.40 is: 29,713,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,904.60 : 32,264,856.90 = 19,809,293.40 : x
  2. Step 2: Convert to fraction form
    21,509,904.60/32,264,856.90 = 19,809,293.40/x
  3. Step 3: Cross multiply
    21,509,904.60x = 32,264,856.90 × 19,809,293.40
  4. Step 4: Simplify right side
    21,509,904.60x = 639,144,016,841,114.38
  5. Step 5: Solve for x
    x = 639,144,016,841,114.38/21,509,904.60
  6. Step 6: Final answer
    x = 29,713,940.10

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1.5x scale

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.