Home / 14,298,254.38-19,731,731.25-7,771,879.81

Finding the Fourth Proportional to 14,298,254.38, 19,731,731.25 and 7,771,879.81

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Solution

The fourth proportional to 14,298,254.38, 19,731,731.25 and 7,771,879.81 is: 10,725,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,254.38 : 19,731,731.25 = 7,771,879.81 : x
  2. Step 2: Convert to fraction form
    14,298,254.38/19,731,731.25 = 7,771,879.81/x
  3. Step 3: Cross multiply
    14,298,254.38x = 19,731,731.25 × 7,771,879.81
  4. Step 4: Simplify right side
    14,298,254.38x = 153,352,643,718,221.06
  5. Step 5: Solve for x
    x = 153,352,643,718,221.06/14,298,254.38
  6. Step 6: Final answer
    x = 10,725,270.35

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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.