Home / 13,357,880.69-18,433,910.84-7,246,309.19

Finding the Fourth Proportional to 13,357,880.69, 18,433,910.84 and 7,246,309.19

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Solution

The fourth proportional to 13,357,880.69, 18,433,910.84 and 7,246,309.19 is: 9,999,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,880.69 : 18,433,910.84 = 7,246,309.19 : x
  2. Step 2: Convert to fraction form
    13,357,880.69/18,433,910.84 = 7,246,309.19/x
  3. Step 3: Cross multiply
    13,357,880.69x = 18,433,910.84 × 7,246,309.19
  4. Step 4: Simplify right side
    13,357,880.69x = 133,577,817,399,131.52
  5. Step 5: Solve for x
    x = 133,577,817,399,131.52/13,357,880.69
  6. Step 6: Final answer
    x = 9,999,925.93

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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.