Home / 13,046,503.32-18,004,418.51-7,245,828.45

Finding the Fourth Proportional to 13,046,503.32, 18,004,418.51 and 7,245,828.45

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Solution

The fourth proportional to 13,046,503.32, 18,004,418.51 and 7,245,828.45 is: 9,999,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,503.32 : 18,004,418.51 = 7,245,828.45 : x
  2. Step 2: Convert to fraction form
    13,046,503.32/18,004,418.51 = 7,245,828.45/x
  3. Step 3: Cross multiply
    13,046,503.32x = 18,004,418.51 × 7,245,828.45
  4. Step 4: Simplify right side
    13,046,503.32x = 130,456,927,829,235.47
  5. Step 5: Solve for x
    x = 130,456,927,829,235.47/13,046,503.32
  6. Step 6: Final answer
    x = 9,999,378.73

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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.