Home / 19,201,387.74-28,798,856.73-6,421,873.02

Finding the Fourth Proportional to 19,201,387.74, 28,798,856.73 and 6,421,873.02

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Solution

The fourth proportional to 19,201,387.74, 28,798,856.73 and 6,421,873.02 is: 9,631,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,387.74 : 28,798,856.73 = 6,421,873.02 : x
  2. Step 2: Convert to fraction form
    19,201,387.74/28,798,856.73 = 6,421,873.02/x
  3. Step 3: Cross multiply
    19,201,387.74x = 28,798,856.73 × 6,421,873.02
  4. Step 4: Simplify right side
    19,201,387.74x = 184,942,601,041,232.41
  5. Step 5: Solve for x
    x = 184,942,601,041,232.41/19,201,387.74
  6. Step 6: Final answer
    x = 9,631,730.97

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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.