Home / 13,333,846.69-18,400,709.05-7,222,275.19

Finding the Fourth Proportional to 13,333,846.69, 18,400,709.05 and 7,222,275.19

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Solution

The fourth proportional to 13,333,846.69, 18,400,709.05 and 7,222,275.19 is: 9,966,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,846.69 : 18,400,709.05 = 7,222,275.19 : x
  2. Step 2: Convert to fraction form
    13,333,846.69/18,400,709.05 = 7,222,275.19/x
  3. Step 3: Cross multiply
    13,333,846.69x = 18,400,709.05 × 7,222,275.19
  4. Step 4: Simplify right side
    13,333,846.69x = 132,894,984,455,168.67
  5. Step 5: Solve for x
    x = 132,894,984,455,168.67/13,333,846.69
  6. Step 6: Final answer
    x = 9,966,740.10

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1.5x scale

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.