Home / 13,899,565.44-19,181,386.80-7,788,037.68

Finding the Fourth Proportional to 13,899,565.44, 19,181,386.80 and 7,788,037.68

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Solution

The fourth proportional to 13,899,565.44, 19,181,386.80 and 7,788,037.68 is: 10,747,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,565.44 : 19,181,386.80 = 7,788,037.68 : x
  2. Step 2: Convert to fraction form
    13,899,565.44/19,181,386.80 = 7,788,037.68/x
  3. Step 3: Cross multiply
    13,899,565.44x = 19,181,386.80 × 7,788,037.68
  4. Step 4: Simplify right side
    13,899,565.44x = 149,385,363,153,054.62
  5. Step 5: Solve for x
    x = 149,385,363,153,054.62/13,899,565.44
  6. Step 6: Final answer
    x = 10,747,484.43

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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.