Home / 21,564,195.87-29,758,627.08-11,774,431.40

Finding the Fourth Proportional to 21,564,195.87, 29,758,627.08 and 11,774,431.40

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Solution

The fourth proportional to 21,564,195.87, 29,758,627.08 and 11,774,431.40 is: 16,248,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564,195.87 : 29,758,627.08 = 11,774,431.40 : x
  2. Step 2: Convert to fraction form
    21,564,195.87/29,758,627.08 = 11,774,431.40/x
  3. Step 3: Cross multiply
    21,564,195.87x = 29,758,627.08 × 11,774,431.40
  4. Step 4: Simplify right side
    21,564,195.87x = 350,390,913,111,642.31
  5. Step 5: Solve for x
    x = 350,390,913,111,642.31/21,564,195.87
  6. Step 6: Final answer
    x = 16,248,735.41

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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.