Home / 9,917,988.98-13,688,206.02-5,508,705.38

Finding the Fourth Proportional to 9,917,988.98, 13,688,206.02 and 5,508,705.38

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Solution

The fourth proportional to 9,917,988.98, 13,688,206.02 and 5,508,705.38 is: 7,602,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917,988.98 : 13,688,206.02 = 5,508,705.38 : x
  2. Step 2: Convert to fraction form
    9,917,988.98/13,688,206.02 = 5,508,705.38/x
  3. Step 3: Cross multiply
    9,917,988.98x = 13,688,206.02 × 5,508,705.38
  4. Step 4: Simplify right side
    9,917,988.98x = 75,404,294,076,481.36
  5. Step 5: Solve for x
    x = 75,404,294,076,481.36/9,917,988.98
  6. Step 6: Final answer
    x = 7,602,780.59

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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.