Home / 19,688,755.69-27,169,027.57-11,427,484.59

Finding the Fourth Proportional to 19,688,755.69, 27,169,027.57 and 11,427,484.59

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Solution

The fourth proportional to 19,688,755.69, 27,169,027.57 and 11,427,484.59 is: 15,769,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,755.69 : 27,169,027.57 = 11,427,484.59 : x
  2. Step 2: Convert to fraction form
    19,688,755.69/27,169,027.57 = 11,427,484.59/x
  3. Step 3: Cross multiply
    19,688,755.69x = 27,169,027.57 × 11,427,484.59
  4. Step 4: Simplify right side
    19,688,755.69x = 310,473,643,881,460.12
  5. Step 5: Solve for x
    x = 310,473,643,881,460.12/19,688,755.69
  6. Step 6: Final answer
    x = 15,769,084.08

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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.