Home / 12,713,894.65-19,070,420.37-5,525,437.06

Finding the Fourth Proportional to 12,713,894.65, 19,070,420.37 and 5,525,437.06

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Solution

The fourth proportional to 12,713,894.65, 19,070,420.37 and 5,525,437.06 is: 8,287,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,894.65 : 19,070,420.37 = 5,525,437.06 : x
  2. Step 2: Convert to fraction form
    12,713,894.65/19,070,420.37 = 5,525,437.06/x
  3. Step 3: Cross multiply
    12,713,894.65x = 19,070,420.37 × 5,525,437.06
  4. Step 4: Simplify right side
    12,713,894.65x = 105,372,407,462,176.91
  5. Step 5: Solve for x
    x = 105,372,407,462,176.91/12,713,894.65
  6. Step 6: Final answer
    x = 8,287,972.36

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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.