Home / 12,815,999.07-17,688,599.77-9,713,110.24

Finding the Fourth Proportional to 12,815,999.07, 17,688,599.77 and 9,713,110.24

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Solution

The fourth proportional to 12,815,999.07, 17,688,599.77 and 9,713,110.24 is: 13,406,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,999.07 : 17,688,599.77 = 9,713,110.24 : x
  2. Step 2: Convert to fraction form
    12,815,999.07/17,688,599.77 = 9,713,110.24/x
  3. Step 3: Cross multiply
    12,815,999.07x = 17,688,599.77 × 9,713,110.24
  4. Step 4: Simplify right side
    12,815,999.07x = 171,811,319,473,790.34
  5. Step 5: Solve for x
    x = 171,811,319,473,790.34/12,815,999.07
  6. Step 6: Final answer
    x = 13,406,002.81

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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.