Home / 10,128,488.51-13,977,313.74-5,544,809.88

Finding the Fourth Proportional to 10,128,488.51, 13,977,313.74 and 5,544,809.88

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Solution

The fourth proportional to 10,128,488.51, 13,977,313.74 and 5,544,809.88 is: 7,651,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,488.51 : 13,977,313.74 = 5,544,809.88 : x
  2. Step 2: Convert to fraction form
    10,128,488.51/13,977,313.74 = 5,544,809.88/x
  3. Step 3: Cross multiply
    10,128,488.51x = 13,977,313.74 × 5,544,809.88
  4. Step 4: Simplify right side
    10,128,488.51x = 77,501,547,293,687.70
  5. Step 5: Solve for x
    x = 77,501,547,293,687.70/10,128,488.51
  6. Step 6: Final answer
    x = 7,651,837.41

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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.