Home / 18,791,009.25-25,931,151.72-11,056,552.53

Finding the Fourth Proportional to 18,791,009.25, 25,931,151.72 and 11,056,552.53

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Solution

The fourth proportional to 18,791,009.25, 25,931,151.72 and 11,056,552.53 is: 15,257,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791,009.25 : 25,931,151.72 = 11,056,552.53 : x
  2. Step 2: Convert to fraction form
    18,791,009.25/25,931,151.72 = 11,056,552.53/x
  3. Step 3: Cross multiply
    18,791,009.25x = 25,931,151.72 × 11,056,552.53
  4. Step 4: Simplify right side
    18,791,009.25x = 286,709,141,155,579.81
  5. Step 5: Solve for x
    x = 286,709,141,155,579.81/18,791,009.25
  6. Step 6: Final answer
    x = 15,257,782.98

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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.