Home / 13,308,927.80-19,963,391.70-13,196,953.40

Finding the Fourth Proportional to 13,308,927.80, 19,963,391.70 and 13,196,953.40

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Solution

The fourth proportional to 13,308,927.80, 19,963,391.70 and 13,196,953.40 is: 19,795,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,927.80 : 19,963,391.70 = 13,196,953.40 : x
  2. Step 2: Convert to fraction form
    13,308,927.80/19,963,391.70 = 13,196,953.40/x
  3. Step 3: Cross multiply
    13,308,927.80x = 19,963,391.70 × 13,196,953.40
  4. Step 4: Simplify right side
    13,308,927.80x = 263,455,949,970,846.78
  5. Step 5: Solve for x
    x = 263,455,949,970,846.78/13,308,927.80
  6. Step 6: Final answer
    x = 19,795,430.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.