Home / 29,185,572.51-40,276,171.23-15,954,909.30

Finding the Fourth Proportional to 29,185,572.51, 40,276,171.23 and 15,954,909.30

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Solution

The fourth proportional to 29,185,572.51, 40,276,171.23 and 15,954,909.30 is: 22,017,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,185,572.51 : 40,276,171.23 = 15,954,909.30 : x
  2. Step 2: Convert to fraction form
    29,185,572.51/40,276,171.23 = 15,954,909.30/x
  3. Step 3: Cross multiply
    29,185,572.51x = 40,276,171.23 × 15,954,909.30
  4. Step 4: Simplify right side
    29,185,572.51x = 642,602,658,925,919.38
  5. Step 5: Solve for x
    x = 642,602,658,925,919.38/29,185,572.51
  6. Step 6: Final answer
    x = 22,017,819.21

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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.