Home / 13,306,681.31-18,362,453.95-7,425,854.28

Finding the Fourth Proportional to 13,306,681.31, 18,362,453.95 and 7,425,854.28

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Solution

The fourth proportional to 13,306,681.31, 18,362,453.95 and 7,425,854.28 is: 10,247,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,681.31 : 18,362,453.95 = 7,425,854.28 : x
  2. Step 2: Convert to fraction form
    13,306,681.31/18,362,453.95 = 7,425,854.28/x
  3. Step 3: Cross multiply
    13,306,681.31x = 18,362,453.95 × 7,425,854.28
  4. Step 4: Simplify right side
    13,306,681.31x = 136,356,907,168,486.58
  5. Step 5: Solve for x
    x = 136,356,907,168,486.58/13,306,681.31
  6. Step 6: Final answer
    x = 10,247,251.29

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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.